Free Mathematics Books

Here is an unordered list of online mathematics books, textbooks, monographs, lecture notes, and other mathematics related documents freely available on the web. I tried to select only the works in book formats, "real" books that are mainly in PDF format, so many well-known html-based mathematics web pages and online tutorials are left out. Click here if you prefer a categorized directory of mathematics books. The list is updated on a daily basis, so, if you want to bookmark this page, use one of the buttons below.

1. Introduction to Differential Geometry and General Relativity
   Stefan Waner | , Published in 2005, 138 pages
2. Probability on Trees and Networks
   Russell Lyons, Yuval Peres | Cambridge University Press, Published in 2016, 716 pages
3. Category Theory in Context
   Emily Riehl | Dover Publications, Published in 2016, 258 pages
4. Discrete Mathematics
   W W L Chen | Macquarie University, Published in 2008, 125 pages
5. Geometric Theorems and Arithmetic Functions
   Jozsef Sandor | American Research Press, Published in 2002, 55 pages
6. Analysis on Homogeneous Spaces
   Ralph Howard | Royal Institute of Technology Stockholm, Published in 1994, 108 pages
7. Theory of Functions of a Real Variable
   Shlomo Sternberg | , Published in 2005, 393 pages
8. Theory of Functions of a Complex Variable
   Heinrich Burkhardt | D. C. Heath, Published in 1913, 456 pages
9. Model Theory
   Stephen G. Simpson | The Pennsylvania State University, Published in 1998, 127 pages
10. Fourier Series and Systems of Differential Equations and Eigenvalue Problems
    Leif Mejlbro | BookBoon, Published in 2007, 125 pages
11. Brief Calculus
    Benjamin Crowell | , Published in 2015, 207 pages
12. The Hopf Bifurcation and Its Applications
    J. E. Marsden, M. McCracken | Springer, Published in 1976, 424 pages
13. Fractals
    | Wikibooks, Published in 2013
14. Model Categories and Simplicial Methods
    Paul Goerss, Kristen Schemmerhorn | Northwestern University, Published in 2004, 46 pages
15. Elementary Theory of Numbers
    Waclaw Sierpinski | ICM, Published in 1964, 516 pages
16. A Course In Algebraic Number Theory
    Robert B. Ash | University of Illinois, Published in 2003
17. Euclid's Parallel Postulate: Its Nature, Validity and Place in Geometrical Systems
    John William Withers | Open Court Publishing Co., Published in 1904, 214 pages
18. A History of Mathematics
    Florian Cajori | The MacMillan Company, Published in 1909, 556 pages
19. An Introduction to Geometry
    Wong Yan Loi | National University of Singapore, Published in 2021, 145 pages
20. Lies, Damned Lies, or Statistics: How to Tell the Truth with Statistics
    Jonathan A. Poritz | Colorado State University, Pueblo, Published in 2017, 143 pages
21. Dynamical Systems
    Jose A. Tenreiro Machado (ed.) | MDPI AG, Published in 2014, 553 pages
22. Introduction to Representations of Real Semisimple Lie Groups
    Matvei Libine | arXiv, Published in 2012, 132 pages
23. Higher Operads, Higher Categories
    Tom Leinster | arXiv, Published in 2003, 410 pages
24. Stochastic Processes
    Leif Mejlbro | BookBoon, Published in 2012, 263 pages
25. Calculus Concentrate
    Russell A. Gordon | Whitman College, Published in 2006, 182 pages
26. Unfolding the Labyrinth: Open Problems in Mathematics, Physics, Astrophysics
    Florentin Smarandache, at al. | arXiv, Published in 2006, 139 pages
27. Calculus and Differential Equations
    John Avery | Learning Development Institute, Published in 2010, 137 pages
28. Groups and Semigroups: Connections and Contrasts
    John Meakin | University of Nebraska-Lincoln, Published in 2005, 40 pages
29. Supplementary Algebra
    Robert L. Short | D.C. Heath & Co., Published in 1905, 60 pages
30. Introduction To Finite Mathematics
    J. G. Kemeny, J. L. Snell, G. L. Thompson | Prentice-Hall, Published in 1974
31. Discrete Math for Computer Science Students
    Ken Bogart, Cliff Stein | Dartmouth College, Published in 2003, 252 pages
32. Coalgebras and Modal Logic
    Alexander Kurz | ESSLLI, Published in 2002, 100 pages
33. Vector Calculus, with Applications to Physics
    James Byrnie Shaw | D. Van Nostrand company, Published in 1922, 338 pages
34. Jordan Operator Algebras
    Harald Hanche-Olsen, Erling Størmer | Pitman, Published in 1984, 216 pages
35. Modeling, Functions, and Graphs: Algebra for College Students
    Katherine Yoshiwara | Los Angeles Pierce College, Published in 2017, 344 pages
36. Partial Differential Equations
    Erich Miersemann | Leipzig University, Published in 2012, 205 pages
37. Noncommutative Localization in Algebra and Topology
    Andrew Ranicki | Cambridge University Press, Published in 2002, 323 pages
38. Lecture Notes on Graph Theory
    Tero Harju | University of Turku, Published in 2011, 100 pages
39. Orbital Integrals on Reductive Lie Groups and Their Algebras
    Francisco Bulnes | InTech, Published in 2013, 181 pages
40. Lectures on Commutative Algebra
    Sudhir R. Ghorpade | Indian Institute of Technology, Bombay, Published in 2006, 64 pages
41. Synchronization and Linearity: An Algebra for Discrete Event Systems
    F. Baccelli, G. Cohen, G. J. Olsder, J. Quadrat | John Wiley & Sons, Published in 1993, 501 pages
42. Introduction to Mathematical Analysis
    B. Lafferriere, G. Lafferriere, N. Mau Nam | Portland State University Library, Published in 2015, 141 pages
43. Theory of Groups of Finite Order
    William Burnside | Cambridge University Press, Published in 1897, 456 pages
44. A Tangled Tale
    Lewis Carroll | Macmillan and Co., Published in 1885, 192 pages
45. Tilings and Patterns
    E O Harriss | Mathematicians.org.uk, Published in 2008, 43 pages
46. A Modern Course on Curves and Surfaces
    Richard S. Palais | virtualmathmuseum.org, Published in 2003, 163 pages
47. Super Special Codes using Super Matrices
    W.B.V. Kandasamy, F. Smarandache, K.Ilanthenral | arXiv, Published in 2010, 161 pages
48. Complex Manifolds and Hermitian Differential Geometry
    Andrew D. Hwang | University of Toronto, Published in 1997, 113 pages
49. Introduction to Partial Differential Equations
    Valeriy Serov | University of Oulu, Published in 2011, 122 pages
50. Lectures on Representations of Complex Semi-Simple Lie Groups
    Thomas J. Enright | Tata Institute of Fundamental Research, Published in 1981, 94 pages
51. Problems with and Without ... Problems!
    Florentin Smarandache | viXra, Published in 2011, 136 pages
52. College Algebra
    Richard Beveridge | , Published in 2018, 198 pages
53. Commutator Theory for Congruence Modular Varieties
    Ralph Freese, Ralph McKenzie | Cambridge University Press, Published in 1987, 174 pages
54. Categorical Geometry
    Zhaohua Luo | , Published in 1998
55. Reader-friendly Introduction to the Measure Theory
    Vasily Nekrasov | Yetanotherquant.de, Published in 2009, 117 pages
56. Practical Trigonometry
    H. C. Playne | E. Arnold, Published in 1906, 188 pages
57. Knot Diagrammatics
    Louis H. Kauffman | arXiv, Published in 2004, 107 pages
58. Elements of Abstract and Linear Algebra
    Edwin H. Connell | , Published in 2004, 146 pages
59. A Course of Pure Geometry: Properties of the Conic Sections
    E.H. Askwith | Cambridge University Press, Published in 1917, 314 pages
60. Lecture Notes on Differentiable Manifolds
    Jie Wu | National University of Singapore, Published in 2004, 78 pages
61. Differential Topology
    Bjorn Ian Dundas | Johns Hopkins University, Published in 2002, 183 pages
62. Topics in Geometry
    John O'Connor | University of St Andrews, Published in 2003
63. Linear Algebra
    Jim Hefferon | Saint Michael's College, Published in 2017, 507 pages
64. Discrete Mathematics
    | Wikibooks, Published in 2012
65. Harmonic Analysis, the Trace Formula, and Shimura Varieties
    J. Arthur, D. Ellwood, R. Kottwitz | American Mathematical Society, Published in 2005, 706 pages
66. Functional Analysis
    Alexander C. R. Belton | Lancaster University, Published in 2006, 127 pages
67. Differential Geometry of Indefinite Complex Submanifolds in Indefinite Complex Space Forms
    Alfonso Romero, Young Jin Suh | , Published in 2004, 60 pages
68. The Classification Theorem for Compact Surfaces
    Jean Gallier, Dianna Xu | , Published in 2009, 134 pages
69. Tight and Taut Submanifolds
    Thomas E. Cecil, Shiing-shen Chern | Cambridge University Press, Published in 1997, 349 pages
70. CDBooK: Introduction to Vassiliev Knot invariants
    S.Chmutov, S.Duzhin, J.Mostovoy | Ohio State Universit, Published in 2009, 460 pages
71. Probability and Statistics Cookbook
    Matthias Vallentin | , Published in 2012, 31 pages
72. Graph Theory
    Keijo Ruohonen | Tampere University of Technology, Published in 2008, 114 pages
73. An Elementary Treatise On Differential Equations And Their Applications
    H.T.H. Piaggio | G. Bell, Published in 1920, 274 pages
74. The Elements of Solid Geometry
    William C. Bartol | Leach, Shewell & Sanborn, Published in 1893, 112 pages
75. An Introduction to Mathematical Reasoning
    Peter J. Eccles | Cambridge University Press, Published in 2007, 364 pages
76. Vector Calculus: Course
    Peter Saveliev | , Published in 2013, 294 pages
77. Euclid's Elements of Geometry
    J.L. Heiberg, R. Fitzpatrick | , Published in 2008, 545 pages
78. Abel's Theorem and the Allied Theory
    H.F. Baker | Cambridge University Press, Published in 1897, 712 pages
79. High School Mathematics Extensions
    Zhuo Jia Dai, Martin Warmer, Tom Lam | Wikibooks, Published in 2008, 250 pages
80. Applied Mathematics by Example
    Jeremy Pickles | BookBoon, Published in 2010, 164 pages
81. Compiled and Solved Problems in Geometry and Trigonometry
    Florentin Smarandache | viXra.org, Published in 2015, 221 pages
82. Introduction to Projective Varieties
    Enrique Arrondo | Universidad Complutense de Madrid, Published in 2007, 142 pages
83. Real Functions in One Variable: Calculus 1a
    Leif Mejlbro | BookBoon, Published in 2006, 146 pages
84. Lectures on Harmonic Analysis
    Thomas Wolff | American Mathematical Society, Published in 2003, 85 pages
85. Lectures on Topics In One-Parameter Bifurcation Problems
    P. Rabier | Tata Institute of Fundamental Research, Published in 1985, 238 pages
86. Harmonic Analysis
    Russell Brown | University of Kentucky, Published in 2009, 191 pages
87. A Primer of Real Analysis
    Dan Sloughter | Synechism.org, Published in 2009, 152 pages
88. Introduction to Tensor Calculus
    Taha Sochi | arXiv, Published in 2016, 83 pages
89. Lectures on Linear Logic
    A. S. Troelstra | CSLI, Published in 1992, 215 pages
90. Linear algebra via exterior products
    Sergei Winitzki | Ludwig-Maximilians University, Published in 2009, 82 pages
91. Everything Maths: Grade 10 Mathematics
    Neels van der Westhuizen, et al. | Siyavula, Published in 2012, 469 pages
92. An Elementary Treatise on Conic Sections
    Charles Smith | The Macmillan Company, Published in 1905, 378 pages
93. Euclidean Plane and Its Relatives
    Anton Petrunin | , Published in 2017, 201 pages
94. Lectures on Stochastic Analysis
    Thomas G. Kurtz | University of Wisconsin, Published in 2007, 119 pages
95. Concepts and Applications of Inferential Statistics
    Richard Lowry | , Published in 2008, 366 pages
96. Symmetry Measures on Complex Networks
    Angel Garrido (ed.) | MDPI AG, Published in 2017, 510 pages
97. Combinatorial Geometry with Application to Field Theory
    Linfan Mao | InfoQuest, Published in 2009, 499 pages
98. Introduction to Topological Groups
    Dikran Dikranjan | UCM, Published in 2007, 69 pages
99. The Mathematics of Investment
    William L.Hart | D.C Heath and Company, Published in 1924, 321 pages
100. Finite Difference Computing with PDEs
     Hans Petter Langtangen, Svein Linge | Springer, Published in 2017, 507 pages
101. Mathematical Computation
     Ian Craw | University of Aberdeen, Published in 2003, 156 pages
102. Advanced Geometry for High Schools: Synthetic and Analytical
     A.H. McDougall | Copp, Clark, Published in 1919, 236 pages
103. Galois Groups and Fundamental Groups
     Leila Schneps | Cambridge University Press, Published in 2003, 467 pages
104. Integral Operators
     Leif Mejlbro | BookBoon, Published in 2009, 66 pages
105. Higher Topos Theory
     Jacob Lurie | Princeton University Press, Published in 2009, 943 pages
106. Set Theoretic Approach to Algebraic Structures in Mathematics
     W. B. Vasantha Kandasamy, Florentin Smarandache | Educational Publisher, Published in 2013, 168 pages
107. Computations in Algebraic Geometry with Macaulay 2
     D. Eisenbud, D. Grayson, M. Stillman, B. Sturmfels | Springer, Published in 2001, 343 pages
108. A First Course in Linear Algebra
     Robert A. Beezer | University of Puget Sound, Published in 2010, 1035 pages
109. Algebraic Invariants
     Leonard E. Dickson | J. Wiley & Sons, Published in 1914, 122 pages
110. Engineering Mathematics with Tables
     M.A. Keasey, G.A. Kline, D.A. McIlhatten | The Blakiston company, Published in 1940, 376 pages
111. Mathematics and Group Theory in Music
     Athanase Papadopoulos | arXiv, Published in 2014, 33 pages
112. Lectures on Numerical Methods for Non-Linear Variational Problems
     R. Glowinski | Tata Institute of Fundamental Research, Published in 1980, 265 pages
113. Algebraic and Geometric Surgery
     Andrew Ranicki | Oxford University Press, Published in 2002, 380 pages
114. Numerical Methods For Time Dependent Equations
     P. Lascaux | Tata Institute of Fundamental Research, Published in 1976, 162 pages
115. Encyclopedia of Mathematics
     | Kluwer Academic Publishers, Published in 2002, 1202 pages
116. An Introduction to Asymptotic Analysis
     Simon J.A. Malham | Heriot-Watt University, Published in 2010, 56 pages
117. Methods for Finding Zeros in Polynomials
     Leif Mejlbro | BookBoon, Published in 2011, 122 pages
118. Advances in Graph Algorithms
     Ton Kloks, Yue-Li Wang | viXra.org, Published in 2013, 178 pages
119. Honors Calculus
     Frank Jones | Rice University, Published in 2004
120. Statistics
     Philip B. Stark | University of California, Berkeley, Published in 2011
121. A. N. Whitehead's Geometric Algebra
     Stephen Blake | , Published in 2005, 280 pages
122. Natural Operations in Differential Geometry
     Ivan Kolar, Peter W. Michor, Jan Slovak | Springer, Published in 1993, 437 pages
123. Analytic Combinatorics
     Philippe Flajolet, Robert Sedgewick | Cambridge University Press, Published in 2008, 822 pages
124. Spectral Theory of Partial Differential Equations
     Richard S. Laugesen | arXiv, Published in 2012, 120 pages
125. Exploring Discrete Mathematics Using Maple
     Kenneth H. Rosen | Mcgraw-Hill College, Published in 1996, 400 pages
126. The Contraction Mapping Principle and Some Applications
     Robert M. Brooks, Klaus Schmitt | American Mathematical Society, Published in 2009, 90 pages
127. Lectures on Fibre Bundles and Differential Geometry
     J.L. Koszul | Tata Institute of Fundamental Research, Published in 1960, 105 pages
128. Lectures on Topics In The Theory of Infinite Groups
     B.H. Neumann | Tata Institute of Fundamental Research, Published in 1960, 200 pages
129. Immersive Linear Algebra
     J. Strom, K. Astrom, T. Akenine-Moller | immersivemath, Published in 2017, 205 pages
130. Logic for Computer Science
     | Wikibooks, Published in 2010
131. An Introduction to Nonlinear Optimization Theory
     Marius Durea, Radu Strugariu | De Gruyter Open, Published in 2014, 328 pages
132. Real Functions in One Variable: Examples of Integrals
     Leif Mejlbro | BookBoon, Published in 2007, 154 pages
133. An Elementary Illustrated Introduction to Simplicial Sets
     Greg Friedman | arXiv.org, Published in 2016, 58 pages
134. Linear Algebra: An Introduction to Mathematical Discourse
     | Wikibooks, Published in 2011
135. Just the Maths
     A. J. Hobson | , Published in 2002, 1296 pages
136. The Design of Approximation Algorithms
     D. P. Williamson, D. B. Shmoys | Cambridge University Press, Published in 2010, 496 pages
137. Lectures on Symplectic Geometry
     Ana Cannas da Silva | Springer, Published in 2006, 225 pages
138. An Introduction to Mathematics
     A. N. Whitehead | Williams & Northgate, Published in 1911, 274 pages
139. Inverse Problems and Applications: Inside Out II
     Gunther Uhlmann (ed.) | Cambridge University Press, Published in 2013, 580 pages
140. Lectures on Some Aspects of p-Adic Analysis
     F. Bruhat | Tata Institute of Fundamental Research, Published in 1963, 147 pages
141. Universal Optimization and Its Application
     Alexander Bolonkin | viXra.org, Published in 2017, 161 pages
142. Vedic Mathematics
     W. B. Kandasamy, F. Smarandache | Automaton, Published in 2006, 220 pages
143. A First Course in Ordinary Differential Equations
     Norbert Euler | Bookboon, Published in 2015, 232 pages
144. Distribution Theory (Generalized Functions)
     Ivan F Wilde | , Published in 2005, 66 pages
145. Lectures on Quadratic Forms
     C.L. Siegel | Tata Institute of Fundamental Research, Published in 1957, 170 pages
146. Categories, Types, and Structures
     Andrea Asperti, Giuseppe Longo | MIT Press, Published in 1991, 300 pages
147. Abstract Algebra Done Concretely
     Donu Arapura | Purdue University, Published in 2017, 77 pages
148. Differential Equations and Linear Algebra
     Simon J.A. Malham | Heriot-Watt University, Published in 2010, 95 pages
149. Lectures on Lie Groups and Representations of Locally Compact Groups
     F. Bruhat | Tata Institute of Fundamental Research, Published in 1958, 140 pages
150. Logic for Computer Scientists
     Uli Furbach | Wikibooks, Published in 2010
151. Iterative Methods for Linear and Nonlinear Equations
     C.T. Kelley | SIAM, Published in 1995, 172 pages
152. Ten British Mathematicians
     Alexander Macfarlane | , Published in 1916, 108 pages
153. Introduction to Twisted Commutative Algebras
     Steven V Sam, Andrew Snowden | arXiv, Published in 2012, 56 pages
154. Lectures on Random Polymers
     F. Caravenna, F. den Hollander, N. Petrelis | arXiv, Published in 2011, 74 pages
155. Introduction to Lie Groups, Adjoint Action and Some Generalizations
     Marcos M. Alexandrino, Renato G. Bettiol | arXiv, Published in 2010, 129 pages
156. Introduction to Probability Theory and Statistics for Linguistics
     Marcus Kracht | UCLA, Published in 2005, 137 pages
157. Geometric Wave Equations
     Stefan Waldmann | arXiv, Published in 2012, 279 pages
158. Lectures on Potential Theory
     M. Brelot | Tata Institute of Fundamental Research, Published in 1967, 158 pages
159. Logic For Everyone
     Robert A. Herrmann | , Published in 2006, 124 pages
160. Elements of Algebra
     Arthur Schultze | The Macmillan Company, Published in 1917, 377 pages
161. Interacting Particle Systems
     Stefan Grosskinsky | University of Warwick, Published in 2009, 56 pages
162. Lecture Notes on Embedded Contact Homology
     Michael Hutchings | arXiv, Published in 2013, 88 pages
163. Robust Geometric Computation
     Kurt Mehlhorn, Chee Yap | New York University, Published in 2004
164. Elementary Textbook on the Calculus
     Virgil Snyder | Cornell University Library, Published in 1912, 388 pages
165. Intro to Abstract Algebra
     Paul Garrett | , Published in 1998, 200 pages
166. Current Topics in Complex Algebraic Geometry
     Herbert Clemens, János Kollár | Cambridge University Press, Published in 1996, 172 pages
167. An Architecture for Combinator Graph Reduction
     Philip J. Koopman, Jr. | Academic Press, Published in 1990, 176 pages
168. A defense of Columbo: A multilevel introduction to probabilistic reasoning
     G. D'Agostini | arXiv, Published in 2010, 60 pages
169. Calculus I
     Paul Dawkins | Lamar University, Published in 2011, 586 pages
170. Proof Theory and Philosophy
     Greg Restall | consequently.org, Published in 2006, 168 pages
171. Algebraic L-theory and Topological Manifolds
     A. A. Ranicki | Cambridge University Press, Published in 2011, 365 pages
172. A Course In Commutative Algebra
     Robert B. Ash | University of Illinois, Published in 2006
173. Lecture Notes on Motivic Cohomology
     Carlo Mazza, Vladimir Voevodsky, Charles Weibel | AMS, Published in 2005, 228 pages
174. Probability and Theory of Errors
     Robert Simpson Woodward | J. Wiley & Sons, Published in 1906, 64 pages
175. Opera Magistris
     Vincent Isoz | , Published in 2016, 5273 pages
176. Statistics: Methods and Applications
     Thomas Hill, Paul Lewicki | StatSoft, Inc., Published in 2005, 800 pages
177. Introduction to Modal Logic
     Gary Hardegree | UMass Amherst, Published in 2009, 275 pages
178. Engineering Analysis
     | Wikibooks, Published in 2012, 193 pages
179. generatingfunctionology
     Herbert S. Wilf | A K Peters, Ltd., Published in 2006, 245 pages
180. Introduction to Abstract Algebra
     D. S. Malik, John N. Mordeson, M.K. Sen | Creighton University, Published in 2007, 276 pages
181. A Course in Universal Algebra
     S. Burris, H.P. Sankappanavar | Springer-Verlag, Published in 1982, 331 pages
182. Unsolved Problems in Virtual Knot Theory and Combinatorial Knot Theory
     R. Fenn, D.P. Ilyutko, L.H. Kauffman, V.O. Manturov | arXiv, Published in 2014, 66 pages
183. Multiplication of Vectors and Structure of 3D Euclidean Space
     Miroslav Josipovic | viXra, Published in 2016, 70 pages
184. Practical Foundations of Mathematics
     Paul Taylor | Cambridge University Press, Published in 1999, 588 pages
185. A Practical Guide to Robust Optimization
     Bram L. Gorissen, Ihsan Yanıkoğlu, Dick den Hertog | arXiv, Published in 2015, 29 pages
186. The CRing Project: a collaborative open source textbook on commutative algebra
     Shishir Agrawal, et al. | CRing Project, Published in 2011, 493 pages
187. Introduction to Tensor Calculus
     Kees Dullemond, Kasper Peeters | University of Heidelberg, Published in 2010, 53 pages
188. Lectures on Topics In Finite Element Solution of Elliptic Problems
     Bertrand Mercier | Tata Institute of Fundamental Research, Published in 1979, 177 pages
189. Linear Elliptic Equations of Second Order
     Erich Miersemann | Leipzig University, Published in 2012, 87 pages
190. A First Course In Mathematical Statistics
     C.E. Weatherburn | Cambridge University Press, Published in 1961, 302 pages
191. Notes on the Combinatorial Fundamentals of Algebra
     Darij Grinberg | arXiv.org, Published in 2021, 1359 pages
192. The Principles Of Mathematics
     Bertrand Russell | W. W. Norton & Company, , 579 pages
193. The Homology of Iterated Loop Spaces
     F. R. Cohen, T. J. Lada, P. J. May | Springer, Published in 2009, 490 pages
194. Topics in Random Matrix Theory
     Terence Tao | , Published in 2011, 340 pages
195. Why the Boundary of a Round Drop Becomes a Curve of Order Four
     A. N. Varchenko, P. I. Etingof | American Mathematical Society, Published in 1992, 72 pages
196. Notes on Basic 3-Manifold Topology
     Allen Hatcher | , Published in 2000, 61 pages
197. Generic Polynomials: Constructive Aspects of the Inverse Galois Problem
     C. U. Jensen, A. Ledet, N. Yui | Cambridge University Press, Published in 2002, 268 pages
198. Elements of the Differential and Integral Calculus
     William Anthony Granville | Ginn, Published in 1911, 493 pages
199. Introduction to Vectors and Tensors Volume 1: Linear and Multilinear Algebra
     Ray M. Bowen, C.-C.Wang | Springer, Published in 2008, 314 pages
200. Abstract Algebra for Polynomial Operations
     Maya Mohsin Ahmed | , Published in 2009, 210 pages
201. Matroid Decomposition
     Klaus Truemper | Leibniz, Published in 1998, 398 pages
202. Differential Equations From The Algebraic Standpoint
     Joseph Fels Ritt | The American Mathematical Society, Published in 1932, 201 pages
203. Combinatorial Group Theory
     Charles F. Miller III | University of Melbourne, Published in 2004, 99 pages
204. An Invitation to Mathematics
     Arnold Dresden | H. Holt and Company, Published in 1936, 453 pages
205. Algebra: A Computational Introduction
     John Scherk | Chapman & Hall, Published in 2000, 419 pages
206. An Introduction to Complex Algebraic Geometry
     Chris Peters | Institut Fourier Grenoble, Published in 2004, 129 pages
207. Math Puzzles
     Umesh P N | , Published in 2010, 84 pages
208. Homological Methods in Noncommutative Geometry
     D. Kaledin | , Published in 2008, 77 pages
209. Indian Mathematics
     G. R. Kaye | Thacker, Spink & Co., Published in 1915, 102 pages
210. Beyond partial differential equations: A course on linear and quasi-linear abstract hyperbolic evolution equations
     Horst R. Beyer | arXiv, Published in 2011, 275 pages
211. Introduction to Bimatrices
     W. B. V. Kandasamy, F. Smarandache, K. Ilanthenral | arXiv, Published in 2005, 181 pages
212. Algebraic Number Theory
     J.S. Milne | , Published in 2008, 163 pages
213. C*-algebraic Methods in Spectral Theory
     Serge Richard | Nagoya University, Published in 2014, 103 pages
214. Complex Manifolds
     Julius Ross | Stanford University, Published in 2014, 119 pages
215. Iterative Methods for Optimization
     C.T. Kelley | Society for Industrial Mathematics, Published in 1987, 188 pages
216. Analysis of Puzzles
     Umesh Nair | , Published in 2006, 88 pages
217. Fundamental Concepts of Mathematics
     Farshid Hajir | University of Massachusetts, Published in 2005, 69 pages
218. Numerical Methods with Applications
     Autar K Kaw, Egwu Eric Kalu | Lulu.com, Published in 2008, 728 pages
219. Graphical Calculus
     Arthur Henry Barker | Longmans, Green, and Co., Published in 1896, 188 pages
220. Vector Calculus
     Michael Corral | Schoolcraft College, Published in 2008, 222 pages
221. The Eightfold Way: The Beauty of Klein's Quartic Curve
     Silvio Levy | Cambridge University Press, Published in 1999, 331 pages
222. Algebraic Groups and Discontinuous Subgroups
     Armand Borel, George D. Mostow | American Mathematical Society, Published in 1966, 424 pages
223. Linear Algebra with Applications
     W. Keith Nicholson | Lyryx, Published in 2018, 698 pages
224. Think Stats: Probability and Statistics for Programmers
     Allen B. Downey | Green Tea Press, Published in 2011, 122 pages
225. Philosophy and Fun of Algebra
     Mary Everest Boole | C. W. Daniel, Published in 1891, 56 pages
226. Lectures on Polyhedral Topology
     John R. Stallings | Tata Institute of Fundamental Research, Published in 1967, 214 pages
227. Topology Lecture Notes
     Thomas Ward | UEA, Published in 2001, 88 pages
228. Numerical Methods for Large Eigenvalue Problems
     Yousef Saad | SIAM, Published in 2011, 285 pages
229. Symmetry and Separation of Variables
     Willard Miller | Addison-Wesley, Published in 1977, 318 pages
230. Trends in Commutative Algebra
     Luchezar L. Avramov, at al. | Cambridge University Press, Published in 2005, 264 pages
231. Linear Algebra C-4: Quadratic equations in two or three variables
     Leif Mejlbro | BookBoon, Published in 2009, 74 pages
232. Music: A Mathematical Offering
     Dave Benson | Cambridge University Press, Published in 2006, 530 pages
233. Varieties of Lattices
     Peter Jipsen, Henry Rose | Springer, Published in 1992, 168 pages
234. Extracting Information from Random Data
     Pawel J. Szablowski | arXiv, Published in 2016, 167 pages
235. Local Theory of Holomorphic Foliations and Vector Fields
     Julio C. Rebelo, Helena Reis | arXiv, Published in 2011, 115 pages
236. How We Got From There to Here: A Story of Real Analysis
     Robert Rogers, Eugene Boman | Open SUNY Textbooks, Published in 2013, 210 pages
237. Linear Algebra
     Paul Dawkins | Lamar University, Published in 2011, 331 pages
238. The Manual of Mathematical Magic
     Peter McOwan | Queen Mary, University of London, Published in 2010, 96 pages
239. A First Course in Elementary Differential Equations
     Marcel B. Finan | Arkansas Tech University, Published in 2006, 213 pages
240. A Computational Introduction to Number Theory and Algebra
     Victor Shoup | Cambridge University Press, Published in 2005, 534 pages
241. A Spiral Workbook for Discrete Mathematics
     Harris Kwong | Open SUNY Textbooks, Published in 2015, 307 pages
242. Numerical Analysis for Engineering
     Douglas W. Harder, Richard Khoury | University of Waterloo, Published in 2010
243. Numerical Algorithms: Methods for Computer Vision, Machine Learning, and Graphics
     Justin Solomon | CRC Press, Published in 2015, 397 pages
244. Lectures on Algebraic Groups
     Alexander Kleshchev | University of Oregon, Published in 2005, 166 pages
245. Elementary Linear Algebra
     Keith Matthews | University of Queensland, Published in 1998, 302 pages
246. Iterative Methods in Combinatorial Optimization
     Lap Chi Lau, R. Ravi, M. Singh | Cambridge University Press, Published in 2011, 229 pages
247. An Introduction to Algebraic Surgery
     Andrew Ranicki | arXiv, Published in 2000, 82 pages
248. Introduction to Shimura Varieties
     J.S. Milne | , Published in 2004, 149 pages
249. Introduction to Arithmetic Groups
     Dave Witte Morris | arXiv, Published in 2015, 491 pages
250. Arithmetic Duality Theorems
     J.S. Milne | BookSurge Publishing, Published in 2006, 347 pages
251. Differential Calculus
     Shanti Narayan | S. Chand And Company, Published in 1962, 429 pages
252. Jacobi Operators and Complete Integrable Nonlinear Lattices
     Gerald Teschl | American Mathematical Society, Published in 1999, 369 pages
253. Probability: Theory and Examples
     Rick Durrett | Cambridge University Press, Published in 2010, 372 pages
254. A Course of Pure Mathematics
     G.H. Hardy | Cambridge University Press, Published in 1921, 476 pages
255. Calculus: Early Transcendentals
     David Guichard | Lyryx, Published in 2016, 656 pages
256. Iterative Methods for Sparse Linear Systems
     Yousef Saad | PWS, Published in 1996
257. Elementary Calculus: An Approach Using Infinitesimals
     H. Jerome Keisler | Bodgen & Quigley, Published in 2012, 992 pages
258. An Introduction to Real Analysis
     John K. Hunter | University of California Davis, Published in 2014, 305 pages
259. Linear Algebra: Foundations to Frontiers
     M.E. Myers, P.M. van de Geijn, R.A. van de Geijn | ulaff.net, Published in 2014, 905 pages
260. Differentiable Manifolds
     Nigel Hitchin | , Published in 2003, 94 pages
261. A Concise Introduction to Mathematical Logic
     Wolfgang Rautenberg | Springer, Published in 2009, 131 pages
262. Discrepancy Theory
     William Chen | Macquarie University, Published in 2012, 99 pages
263. Elements of Analytical Geometry of Two Dimensions
     M. Briot, M. Bouquet | Werner school book company, Published in 1896, 602 pages
264. A Friendly Introduction to Differential Equations
     Mohammed K A Kaabar | , Published in 2015, 164 pages
265. Functions of a Complex Variable
     Thomas Murray MacRobert | The Macmillan Company, Published in 1917, 328 pages
266. Preparing for College Physics
     David Murdock | TTU, Published in 2002, 64 pages
267. SPSS: Stats Practically Short and Simple
     Sidney Tyrrell | BookBoon, Published in 2009, 83 pages
268. Advanced Data Analysis from an Elementary Point of View
     Cosma Rohilla Shalizi | Cambridge University Press, Published in 2013, 586 pages
269. Robust Optimization
     A. Ben-Tal, L. El Ghaoui, A. Nemirovski | Princeton University Press, Published in 2009, 564 pages
270. Random Differential Equations in Scientific Computing
     Tobias Neckel, Florian Rupp | De Gruyter Open, Published in 2013, 650 pages
271. Non-Euclidean Geometry
     Henry Manning | Ginn and Company, Published in 1901, 93 pages
272. Ordinary Differential Equations: A Systems Approach
     Bruce P. Conrad | , Published in 2010, 1125 pages
273. Mathematical Tools for Physics
     James Nearing | Dover Publications, Published in 2010, 569 pages
274. Introductory Treatise On Lie's Theory Of Finite Continuous Transformation Groups
     John Edward Campbell | Oxford Clarendon Press, Published in 1903, 460 pages
275. Multivariable Calculus
     George Cain, James Herod | , Published in 1997
276. Riemannian Geometry: Definitions, Pictures, and Results
     Adam Marsh | arXiv, Published in 2014, 69 pages
277. Quadratic Forms and Their Applications
     Andrew Ranicki, et al. | American Mathematical Society, Published in 2000, 314 pages
278. Applied and Computational Linear Algebra: A First Course
     Charles L. Byrne | University of Massachusetts Lowell, Published in 2013, 504 pages
279. A Reform Approach to Business Calculus
     Marcel B. Finan | Arkansas Tech University, Published in 2003, 150 pages
280. Learning Statistics with R
     Daniel Navarro | University of Adelaide, Published in 2014, 564 pages
281. Topics in Differential Geometry
     Peter W. Michor | American Mathematical Society, Published in 2008, 429 pages
282. Set Linear Algebra and Set Fuzzy Linear Algebra
     W. B. V. Kandasamy, F. Smarandache, K. Ilanthenral | InfoLearnQuest, Published in 2008, 345 pages
283. A Brief History of Mathematics
     Karl Fink | Open Court Publishing Company, Published in 1900, 366 pages
284. Introduction to Numerical Methods
     Jeffrey R. Chasnov | The Hong Kong University, Published in 2012, 63 pages
285. Everything you wanted to know about Data Analysis and Fitting
     Peter Young | arXiv, Published in 2012, 55 pages
286. Applied Mathematical Programming
     S. Bradley, A. Hax, T. Magnanti | Addison-Wesley, Published in 1977, 716 pages
287. Lectures on Probability, Statistics and Econometrics
     Marco Taboga | statlect.com, Published in 2010
288. Matrices
     Shmuel Friedland | University of Illinois at Chicago, Published in 2010, 437 pages
289. Random Graphs and Complex Networks
     Remco van der Hofstad | Eindhoven University of Technology, Published in 2010, 363 pages
290. Introduction to Evolution Equations in Geometry
     Bianca Santoro | arXiv, Published in 2012, 91 pages
291. Aesthetics for the Working Mathematician
     Jonathan M. Borwein | DocServer, Published in 2001, 22 pages
292. Plane and Spherical Trigonometry
     Elmer A. Lyman, Edwin C. Goddard | Allyn and Bacon, Published in 1900, 157 pages
293. Conic Sections Treated Geometrically
     W. H. Besant | George Bell and Sons, Published in 1895, 367 pages
294. Lectures on Periodic Homogenization of Elliptic Systems
     Zhongwei Shen | arXiv.org, Published in 2017, 246 pages
295. Combinatorial and Computational Geometry
     J. E. Goodman, J. Pach, E. Welzl | Cambridge University Press, Published in 2007, 616 pages
296. Von Neumann Algebras
     Vaughan F. R. Jones | UC Berkeley Mathematics, Published in 2010, 159 pages
297. The World of Mathematics
     Philipp Legner | Mathigon, Published in 2012
298. Lectures on Topics in Mean Periodic Functions and the Two-Radius Theorem
     J. Delsarte | Tata Institute of Fundamental Research, Published in 1961, 151 pages
299. Differential and Integral Calculus
     Virgil Snyder | American book company, Published in 1902, 348 pages
300. Graph Theory: Advanced Algorithms and Applications
     Beril Sirmacek (ed.) | InTech, Published in 2018, 196 pages
301. Frobenius Splitting in Commutative Algebra
     Karen E. Smith, Wenliang Zhang | arXiv, Published in 2014, 53 pages
302. Calculus and Linear Algebra. Vol. 2
     Wilfred Kaplan, Donald J. Lewis | University of Michigan Library, Published in 2007, 606 pages
303. Foundations of Infinitesimal Calculus
     H. Jerome Keisler | University of Wisconsin, Published in 2011, 213 pages
304. Lectures On Old And New Results On Algebraic Curves
     P. Samuel | Tata Institute Of Fundamental Research, Published in 1966, 99 pages
305. Essential Mathematics
     Franco Vivaldi | , Published in 2006, 74 pages
306. Techniques of Applied Mathematics
     Andrew Fowler | University of Oxford, Published in 2005, 141 pages
307. Dynamical Systems: Analytical and Computational Techniques
     Mahmut Reyhanoglu | InTech, Published in 2017, 272 pages
308. Lectures in Basic Computational Numerical Analysis
     James M. McDonough | University of Kentucky, Published in 2001, 166 pages
309. Undergraduate Analysis Tools
     Bruce K. Driver | University of California, San Diego, Published in 2013, 186 pages
310. Fractal Geometry
     Michael Frame, Benoit Mandelbrot, Nial Neger | Yale University, Published in 2009, 323 pages
311. Notes on Combinatorics
     Peter J. Cameron | Queen Mary, University of London, Published in 2007, 130 pages
312. On Some of Smarandache's Problems
     Krassimir Atanassov | Erhus Univ Pr, Published in 1999, 89 pages
313. The Geometry and Topology of Braid Groups
     Jenny Wilson | University of Michigan, Published in 2018, 30 pages
314. Functional Analysis Lecture Notes
     T.B. Ward | University of East Anglia, Published in 2001, 73 pages
315. Exterior Differential Systems and Euler-Lagrange Partial Differential Equations
     R. Bryant, P. Griffiths, D. Grossman | University Of Chicago Press, Published in 2008, 219 pages
316. Triangles, Rotation, a Theorem and the Jackpot
     Dave Auckly | arXiv, Published in 2013, 43 pages
317. Natural Product Xn on matrices
     W. B. Vasantha Kandasamy, Florentin Smarandache | arXiv, Published in 2012, 342 pages
318. Numerical Methods Course Notes
     Steven E. Pav | University of California at San Diego, Published in 2005, 180 pages
319. Axiomatic Set Theory
     Michael Meyling | , Published in 2011, 36 pages
320. Elementary Mathematics
     W W L Chen, X T Duong | Macquarie University, Published in 1999, 308 pages
321. H2 Mathematics Textbook
     Yan Min Choo | , Published in 2016, 1384 pages
322. Differential Geometry: A Geometric Introduction
     David W. Henderson | Project Euclid, Published in 2013, 250 pages
323. Book of Proof
     Richard Hammack | Virginia Commonwealth University, Published in 2009, 270 pages
324. The Elements of Non-Euclidean Plane Geometry and Trigonometry
     Horatio Scott Carslaw | Longmans, Green and co., Published in 1916, 202 pages
325. An Introduction to Semialgebraic Geometry
     Michel Coste | Universite de Rennes, Published in 2002, 78 pages
326. Algebraic and Geometric Methods in Enumerative Combinatorics
     Federico Ardila | arXiv, Published in 2014, 143 pages
327. Commutative Algebra
     Jacob Lurie, Akhil Mathew | Harvard University, Published in 2010, 172 pages
328. Cook-Book Of Mathematics
     Viatcheslav Vinogradov | CERGE-EI, Published in 1999, 116 pages
329. The Millennium Prize Problems
     J. Carlson, A. Jaffe, A. Wiles | American Mathematical Society, Published in 2006, 139 pages
330. What is Mathematics: Gödel's Theorem and Around
     Karlis Podnieks | University of Latvia, Published in 2013, 239 pages
331. Galois Lectures
     J. Douglas, P. Franklin, C.J. Keyser, L. Infeld | Morrill Press, Published in 1941, 141 pages
332. Higher Mathematics for Students of Chemistry and Physics
     Joseph William Mellor | Longmans, Green, Published in 1902, 580 pages
333. Global Analysis: Functional Analysis Examples
     Leif Mejlbro | BookBoon, Published in 2009, 78 pages
334. Actual Causality
     Joseph Y. Halpern | The MIT Press, Published in 2016, 240 pages
335. Plane and Spherical Trigonometry in three parts
     Henry Bedingfield Goodwin | Longmans, Green, and Co., Published in 1907, 296 pages
336. Mathematics for the Physical Sciences
     Herbert S Wilf | Dover Publications, Published in 1962, 298 pages
337. Lectures on Etale Cohomology
     J. S. Milne | , Published in 2008, 196 pages
338. Elementary Calculus
     Michael Corral | mecmath.net, Published in 2021, 348 pages
339. Fractional Dynamics
     Carlo Cattani, et al. | De Gruyter Open Ltd, Published in 2016, 408 pages
340. Basic Linear Algebra
     Andrew Baker | University of Glasgow, Published in 2008, 73 pages
341. Games of No Chance 3
     Michael H. Albert, Richard J. Nowakowski | Cambridge University Press, Published in 2009, 586 pages
342. A Treatise on the Theory of Invariants
     Oliver E. Glenn | Project Gutenberg, Published in 2006, 221 pages
343. Dynamics in One Complex Variable
     John Milnor | Princeton University Press, Published in 1991, 146 pages
344. Vector Analysis
     J. Willard Gibbs | Yale University Press, Published in 1929, 432 pages
345. Analytic Number Theory: A Tribute to Gauss and Dirichlet
     William Duke, Yuri Tschinkel | American Mathematical Society, Published in 2007, 266 pages
346. Geometry and the Imagination
     Conway, Doyle, Thurston | Rutgers University, Newark, Published in 2018, 116 pages
347. An Introduction to Modular Forms
     Henri Cohen | arXiv.org, Published in 2018, 58 pages
348. Trigonometry
     Ted Sundstrom, Steven Schlicker | Grand Valley State University, Published in 2016, 442 pages
349. A Practical Arithmetic
     Frank Lincoln Stevens | C. Scribner's sons, Published in 1910, 404 pages
350. Quantitative Analysis: Algebra with a Business Perspective
     Donna M. Wacha | Bookboon, Published in 2013, 303 pages
351. Lectures on the Algebraic Theory of Fields
     K.G. Ramanathan | Tata Institute of Fundamental Research, Published in 1956, 228 pages
352. An Elementary Course in Synthetic Projective Geometry
     Derrick Norman Lehmer | Project Gutenberg, Published in 2005, 120 pages
353. Proofs in Mathematics
     Alexander Bogomolny | Interactive Mathematics Miscellany and Puzzles, Published in 2013, 272 pages
354. Bayesian Networks: Advances and Novel Applications
     Douglas McNair (ed.) | IntechOpen, Published in 2019, 256 pages
355. Functions Of A Complex Variable with Applications
     E. G. Phillips | Oliver And Boyd, Published in 1961, 160 pages
356. Analytical Geometry for Beginners
     Alfred Baker | W. J. Gage, Published in 1905, 234 pages
357. Notes on Classical Groups
     Peter J. Cameron | Queen Mary and Westfield College, Published in 2000, 96 pages
358. Riemannian Geometry
     Richard L. Bishop | arXiv, Published in 2013, 67 pages
359. Elementary Abstract Algebra: Examples and Applications
     Justin Hill, Chris Thron | Texas A&M University, Published in 2017, 785 pages
360. Understanding Algebra
     James W. Brennan | , Published in 2011, 106 pages
361. Mathematics in the Age of the Turing Machine
     Thomas Hales | arXiv, Published in 2013, 45 pages
362. Mathematical Formula Handbook
     Wu-ting Tsai | National Taiwan University, Published in 2012, 28 pages
363. Calculus Volume 3
     | OpenStax, Published in 2016, 1032 pages
364. Elliptic Functions and Elliptic Curves
     Jan Nekovar | Institut de Mathematiques de Jussieu, Published in 2004, 175 pages
365. Discrete Mathematics for Computer Science
     Jean Gallier | arXiv, Published in 2008, 255 pages
366. Computer analysis of number sequences
     Henry Ibstedt | American Research Press, Published in 1998, 86 pages
367. Essential Engineering Mathematics
     Michael Batty | BookBoon, Published in 2011, 149 pages
368. Linear Regression Using R: An Introduction to Data Modeling
     David R. Lilja | University of Minnesota, Published in 2016, 91 pages
369. Mathematical Foundations of Probability Theory
     Gane Samb Lo | arXiv.org, Published in 2018, 378 pages
370. Introduction to Stokes Structures
     Claude Sabbah | arXiv, Published in 2010, 157 pages
371. Fundamentals of Mathematics
     Denny Burzynski, Wade Ellis | Saunders College Publishing, Published in 1989, 600 pages
372. Combinatorics and Algebra of Tensor Calculus
     Sen Hu, Xuexing Lu, Yu Ye | arXiv, Published in 2015, 88 pages
373. Lectures on Elementary Probability
     William G. Faris | University of Arizona, Published in 2002, 62 pages
374. Engineering Mathematics 1
     Ian Craw, Stuart Dagger, John Pulham | , Published in 2003, 187 pages
375. Introduction to Algebraic Topology and Algebraic Geometry
     U. Bruzzo | , Published in 2008, 138 pages
376. An Introduction to the Theory of Numbers
     Leo Moser | The Trillia Group, Published in 2007, 95 pages
377. Researches on Curves of the Second Order
     George Whitehead Hearn | Project Gutenberg, Published in 2005, 64 pages
378. A Short Account of the History of Mathematics
     W. W. Rouse Ball | Dover Publications, Published in 1960, 466 pages
379. The Calculus for Engineers
     John Perry | E. Arnold, Published in 1897, 408 pages
380. Contact Topology
     George Torres, Robert Gompf | University of Texas at Austin, Published in 2017, 51 pages
381. Basics of Algebra and Analysis For Computer Science
     Jean Gallier | , Published in 2007, 254 pages
382. A Concise Geometry
     Clement V. Durell | G. Bell And Sons Limited., Published in 1921, 333 pages
383. Differential Calculus
     Pierre Schapira | Université Paris VI, Published in 2011, 60 pages
384. Intersection Graphs: An Introduction
     Madhumangal Pal | arXiv, Published in 2014, 49 pages
385. Handbook of Engineering Mathematics
     Walter E. Wynne, William Spraragen | Van Nostrand, Published in 1916, 246 pages
386. A Text-Book of Geometry
     G. A. Wentworth | Ginn & Company, Published in 1898, 264 pages
387. Global Theory Of Minimal Surfaces
     David Hoffman | American Mathematical Society, Published in 2005, 808 pages
388. Higher Elementary Geometry
     Venugopal | , Published in 1958, 135 pages
389. Elementary Algebra
     John Redden | The Saylor Foundation, Published in 2011, 1334 pages
390. The Geometry and Topology of Three-Manifolds
     William P Thurston | Mathematical Sciences Research Institute, Published in 2002, 502 pages
391. Ten Chapters of the Algebraical Art
     Peter J. Cameron | Queen Mary, University of London, Published in 2007, 108 pages
392. Exact Sequences in the Algebraic Theory of Surgery
     Andrew Ranicki | Princeton University Press, Published in 1981, 881 pages
393. Noncommutative Algebraic Geometry
     Gwyn Bellamy, et al. | Cambridge University Press, Published in 2016, 360 pages
394. Clifford Algebra, Geometric Algebra, and Applications
     Douglas Lundholm, Lars Svensson | arXiv, Published in 2009, 117 pages
395. Geometric Transformation of Finite Element Methods: Theory and Applications
     M. Holst, M. Licht | arXiv.org, Published in 2018, 21 pages
396. An Introductory Course in Elementary Number Theory
     Wissam Raji | The Saylor Foundation, Published in 2013, 171 pages
397. Introduction to Probability and Statistics Using R
     G. Jay Kerns | , Published in 2010, 412 pages
398. Probability Theory and Stochastic Processes with Applications
     Oliver Knill | Overseas Press, Published in 2009, 382 pages
399. Algebraic Geometry over the Complex Numbers
     Donu Arapura | Purdue University, Published in 2009, 234 pages
400. Applied Discrete Structures
     Al Doerr, Ken Levasseur | Lulu.com, Published in 2013, 496 pages
401. Statistics for Business and Economics
     Marcelo Fernandes | BookBoon, Published in 2009, 150 pages
402. Notes on the Science of Logic
     Nuel Belnap | University of Pittsburgh, Published in 2009, 227 pages
403. The Game of Logic
     Lewis Carroll | MacMillan, Published in 1887, 128 pages
404. Ordinary Differential Equations and Dynamical Systems
     Gerald Teschl | Universitaet Wien, Published in 2009, 297 pages
405. Euclid's Elements
     D.E.Joyce | , Published in 1998
406. A Scrap-Book of Elementary Mathematics
     William F. White | The Open Court Publishing Company, Published in 1908, 234 pages
407. Applied Multivariate Statistical Analysis
     Wolfgang K. Hardle, Leopold Simar | Springer, Published in 2003, 488 pages
408. Easy Mathematics: Arithmetic and Algebra for General Readers
     Oliver Lodge | The Macmillan Company, Published in 1910, 466 pages
409. Ergodic Optimization, Zero Temperature Limits and the Max-plus Algebra
     A. T. Baraviera, R. Leplaideur, A. O. Lopes | arXiv, Published in 2013, 106 pages
410. Elementary Fuzzy Matrix Theory and Fuzzy Models for Social Scientists
     W. B. Vasantha Kandasamy, at al. | arXiv, Published in 2007, 352 pages
411. Lectures on Topics in Analysis
     Raghavan Narasimhan | Tata Institute of Fundamental Research, Published in 1965, 205 pages
412. Mathematics for Computer Science
     Eric Lehman, F Thomson Leighton, Albert R Meyer | MIT, Published in 2010, 557 pages
413. Introduction to the Elementary Functions
     Raymond Benedict McClenon | Ginn and company, Published in 1918, 244 pages
414. Dynamical Systems
     Shlomo Sternberg | OER Commons, Published in 2000, 151 pages
415. Discrete Differential Geometry: An Applied Introduction
     M. Desbrun, P. Schroeder, M. Wardetzky | Columbia University, Published in 2008, 103 pages
416. Linear Mathematics In Infinite Dimensions
     U. H. Gerlach | The Ohio State University, Published in 2015, 507 pages
417. Statistics Beyond the Absolute Basics
     Ivan Lowe | scientificlanguage.com, Published in 2018, 182 pages
418. A Mathematicians Miscellany
     J. E. Littlewood | Methuen And Company Limited, Published in 1953, 152 pages
419. Lectures on Siegel Modular Forms and Representation by Quadratic Forms
     Y. Kitaoka | Tata Institute of Fundamental Research, Published in 1986, 197 pages
420. Set Theory and Topology: An Introduction to the Foundations of Analysis
     Felix Nagel | arXiv, Published in 2013, 160 pages
421. Mathematics and Physics of Emerging Biomedical Imaging
     National Research Council | National Academies Press, Published in 1996, 238 pages
422. Theory of the Integral
     Brian S. Thomson | ClassicalRealAnalysis.info, Published in 2012, 407 pages
423. Probabilistic Programming and Bayesian Methods for Hackers
     Cameron Davidson-Pilon | GitHub, Inc., Published in 2013
424. The First Six Books of the Elements of Euclid
     John Casey, Euclid | Longmans, Green, and Co., Published in 1885, 233 pages
425. Applied Combinatorics
     Mitchel T. Keller, William T. Trotter | Georgia Institute of Technology, Published in 2013, 345 pages
426. Mathematical Theory of Scattering Resonances
     Semyon Dyatlov, Maciej Zworski | MIT, Published in 2018, 640 pages
427. Surgical Methods in Rigidity
     F.T. Farrell | Springer, Published in 1996, 108 pages
428. A Handbook of Statistics
     Darius Singpurwalla | Bookboon, Published in 2013, 79 pages
429. Cusps of Gauss Mappings
     Thomas Banchoff, Terence Gaffney, Clint McCrory | Pitman Advanced Pub. Program, Published in 1982, 88 pages
430. Theory and Applications of Lattice Point Methods for Binomial Ideals
     Ezra Miller | arXiv, Published in 2010, 57 pages
431. Mathematics for the Practical Man
     George Howe | Van Nostrand, Published in 1918, 221 pages
432. Complex Analysis
     C. McMullen | Harvard University, Published in 2010, 106 pages
433. The Calculus for Engineers and Physicists
     Robert H. Smith | Griffin, Published in 1908, 268 pages
434. Dynamics, Ergodic Theory, and Geometry
     Boris Hasselblatt | Cambridge University Press, Published in 2007, 334 pages
435. First Semester in Numerical Analysis with Julia
     Giray Ökten | Florida State University, Published in 2019, 214 pages
436. Dr. Vogel's Gallery of Calculus Pathologies
     Thomas I. Vogel | , Published in 1997
437. Lectures on Semi-group Theory and its Application to Cauchy's Problem in Partial Differential Equations
     K. Yosida | Tata Institute of Fundamental Research, Published in 1957, 160 pages
438. An Invitation to General Algebra and Universal Constructions
     George M. Bergman | Henry Helson, Published in 1998, 398 pages
439. Geometry of Four Dimensions
     Parker Manning Henry | The MacMillan Company, Published in 1914, 378 pages
440. Introduction to the Basics of Heegaard Floer Homology
     Bijan Sahamie | arXiv, Published in 2010, 71 pages
441. Dynamic Programming and Bayesian Inference: Concepts and Applications
     Mohammad Saber Fallah Nezhad (ed.) | InTech, Published in 2014, 164 pages
442. Introduction to Applied Linear Algebra: Vectors, Matrices and Least Squares
     Stephen Boyd, Lieven Vandenberghe | Cambridge University Press, Published in 2018, 473 pages
443. A Probability Course for the Actuaries
     Marcel B. Finan | Arkansas Tech University, Published in 2011, 517 pages
444. Lectures notes on compact Riemann surfaces
     Bertrand Eynard | arXiv.org, Published in 2018, 119 pages
445. Lectures on Minimal Surface Theory
     Brian White | arXiv, Published in 2013, 46 pages
446. Statistical Treatment of Experimental Data
     Hugh D. Young | McGraw Hill, Published in 1962
447. Data Assimilation: A Mathematical Introduction
     K.J.H. Law, A.M. Stuart, K.C. Zygalakis | arXiv.org, Published in 2015, 158 pages
448. Precalculus
     David H. Collingwood, K. David Prince, Matthew M. Conroy | , Published in 2011, 335 pages
449. A Short Course on Approximation Theory
     N. L. Carothers | Bowling Green State University, Published in 2009, 159 pages
450. Markov Chains and Mixing Times
     D. A. Levin, Y. Peres, E. L. Wilmer | American Mathematical Society, Published in 2008, 387 pages
451. Elementary Number Theory
     William Edwin Clark | University of South Florida, Published in 2002, 129 pages
452. Lectures on Mean Periodic Functions
     J.P. Kahane | Tata Institute of Fundamental Research, Published in 1959, 165 pages
453. Metric and Topological Spaces
     T. W. Körner | University of Cambridge, Published in 2014, 109 pages
454. A Course in Mathematical Analysis
     E. Goursat, O. Dunkel, E.R. Hedrick | Ginn & company, Published in 1904, 1890 pages
455. First Principles of Symmetrical Beauty
     David Ramsay Hay | W. Blackwood and sons, Published in 1846, 305 pages
456. Dave's Short Course in Trigonometry
     David E. Joyce | Clark University, Published in 2002
457. Theoretic Arithmetic
     Thomas Taylor, A. J. Valpy | , Published in 1816, 286 pages
458. Infinite-dimensional Lie Algebras
     Iain Gordon | University of Edinburgh, Published in 2009, 55 pages
459. Functional Analysis with Applications
     Palle Jorgensen, Feng Tian | arXiv, Published in 2014, 338 pages
460. Introduction to Mathematical Philosophy
     Bertrand Russell | University of Massachusetts Amherst, Published in 2009, 181 pages
461. Complex Variables: Second Edition
     R. B. Ash, W. P. Novinger | Dover Publications, Published in 2007, 224 pages
462. Partial Differential Equations of Mathematical Physics
     William W. Symes | Rice University, Published in 2006, 105 pages
463. The Life of Pi: From Archimedes to Eniac and Beyond
     Jonathan M. Borwein | DocServer, Published in 2010, 30 pages
464. 18 Lectures on K-Theory
     Ioannis P. Zois | arXiv, Published in 2010, 137 pages
465. Notes on Operator Algebras
     G. Jungman | Los Alamos National Laboratory, Published in 1999, 60 pages
466. Understanding Calculus
     Faraz Hussain | , Published in 2008
467. Algorithmic Mathematics
     Leonard Soicher, Franco Vivaldi | Queen Mary University of London, Published in 2004, 94 pages
468. Isabelle/HOL: A Proof Assistant for Higher-Order Logic
     T. Nipkow, L.C. Paulson, M. Wenzel | Springer, Published in 2010, 223 pages
469. Residues and Duality
     Robin Hartshorne | Springer, Published in 1966, 434 pages
470. Algebraic Problems and Exercises for High School
     I. Goian, R. Grigor, V. Marin, F. Smarandache | The Educational Publisher, Published in 2015, 146 pages
471. Matrix Analysis
     Steven J Cox | Rice University, Published in 2012, 98 pages
472. Differential Equations with YouTube Examples
     Jeffrey R. Chasnov | BookBoon, Published in 2014, 57 pages
473. Algebraic Curves: an Introduction to Algebraic Geometry
     William Fulton | Benjamin, Published in 1969, 129 pages
474. Mathematics for Computer Scientists
     Gareth J. Janacek, Mark L. Close | BookBoon, Published in 2008, 153 pages
475. Basic Analysis Gently Done: Topological Vector Spaces
     Ivan F. Wilde | King's College, London, Published in 2010, 129 pages
476. High School Algebra
     J.T. Crawford | The Macmillan Company, Published in 1916, 428 pages
477. Lectures on Linear Algebra and Matrices
     G. Donald Allen | Texas A&M University, Published in 2003, 238 pages
478. Probability, Geometry and Integrable Systems
     Mark Pinsky, Bjorn Birnir | Cambridge University Press, Published in 2007, 428 pages
479. Exposition of the Theory of Chances and Probabilities
     A. A. Cournot | arXiv.org, Published in 2013, 216 pages
480. Special Functions and Their Symmetries: Postgraduate Course in Applied Analysis
     Vadim Kuznetsov, Vladimir Kisil | University of Leeds, Published in 2003
481. Intuitionistic Logic
     Nick Bezhanishvili, Dick de Jongh | Universiteit van Amsterdam, Published in 2010, 57 pages
482. Arimaa
     | Wikibooks, Published in 2011
483. Smooth Numbers: Computational Number Theory and Beyond
     Andrew Granville | Universite de Montreal, Published in 2008, 58 pages
484. Numerical Stability
     M.N. Spijker | Leiden University, Published in 1998, 71 pages
485. Lectures on Deformations of Singularities
     Michael Artin | Tata Institute of Fundamental Research, Published in 1976, 110 pages
486. Lectures on Stochastic Processes
     K. Ito | Tata Institute of Fundamental Research, Published in 1960, 207 pages
487. Lectures on Fundamental Concepts of Algebra and Geometry
     John Wesley Young | Macmillan and co., Published in 1917, 264 pages
488. Notes on Symmetric Spaces
     Jonathan Holland, Bogdan Ion | arXiv, Published in 2012, 109 pages
489. Topics in Applied Mathematics and Nonlinear Waves
     Per Kristen Jakobsen | arXiv.org, Published in 2019, 321 pages
490. Symbolic Logic
     Lewis Carroll | Macmillan and co, Published in 1897
491. Calculus for Mathematicians, Computer Scientists, and Physicists
     Andrew D. Hwang | Holy Cross, Published in 1998, 487 pages
492. Definitions, Solved and Unsolved Problems, Conjectures, and Theorems in Number Theory and Geometry
     Florentin Smarandache | Amer Research Pr, Published in 2000, 84 pages
493. Lectures on Topics in Algebraic Number Theory
     Sudhir R. Ghorpade | Indian Institute of Technology, Bombay, Published in 2002, 83 pages
494. An Introduction to the Theory of Groups of Finite Order
     Harold Hilton | Oxford Clarendon Press, Published in 1908, 260 pages
495. Euclid's 'Elements' Redux
     Daniel Callahan | starrhorse.com, Published in 2014, 359 pages
496. A Treatise on Probability
     John Maynard Keynes | Macmillan and co, Published in 1921, 561 pages
497. The Theory Of Integration
     L. C. Young | Cambridge University Press, Published in 1927, 69 pages
498. Complex Integration and Cauchy's Theorem
     G. N. Watson | Cambridge University Press, Published in 1914, 100 pages
499. A Short Introduction to Classical and Quantum Integrable Systems
     O. Babelon | , Published in 2007, 145 pages
500. Trigonometry
     Michael Corral | mecmath.net, Published in 2009, 174 pages