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. Mathematical Methods for Physical Sciences II
   Christoph Kirsch | University of North Carolina, Published in 2011, 209 pages
2. Stochastic Processes
   David Nualart | The University of Kansas, Published in 2017, 82 pages
3. Curves and Surfaces in Geometric Modeling: Theory and Algorithms
   Jean Gallier | Morgan Kaufmann, Published in 1999, 502 pages
4. Lectures on Introduction to Algebraic Topology
   G. de Rham | Tata Institute of Fundamental Research, Published in 1969, 71 pages
5. Quick Introduction to Tensor Analysis
   Ruslan Sharipov | Samizdat Press, Published in 2004, 47 pages
6. Mathematics for Engineers
   William Neville Rose | Chapman, Published in 1922
7. Triangles, Rotation, a Theorem and the Jackpot
   Dave Auckly | arXiv, Published in 2013, 43 pages
8. Elementary Calculus: An Approach Using Infinitesimals
   H. Jerome Keisler | Bodgen & Quigley, Published in 2012, 992 pages
9. Discrete Mathematics with Algorithms
   M. O. Albertson, J. P. Hutchinson | J. Wiley, Published in 1988, 550 pages
10. Elementary Calculus
    Frederick S Woods, Frederick H Bailey | Ginn and Company, Published in 1922, 323 pages
11. Non-Euclidean Geometry
    Henry Manning | Ginn and Company, Published in 1901, 93 pages
12. Comparison Geometry
    Karsten Grove, Peter Petersen | Cambridge University Press, Published in 1997, 262 pages
13. Counting Rocks! An Introduction to Combinatorics
    Henry Adams, et al. | arXiv.org, Published in 2021, 220 pages
14. Applied Finite Mathematics
    Rupinder Sekhon | Connexions, Published in 2011, 347 pages
15. Learning Statistics with R
    Daniel Navarro | University of Adelaide, Published in 2014, 564 pages
16. Complex Dynamics and Renormalization
    Curtis T. McMullen | Princeton University Press, Published in 1994, 219 pages
17. Roots of a Compact Lie Group
    Kristopher Tapp | arXiv, Published in 2009, 39 pages
18. Tensor Analysis
    Edward Nelson | Princeton Univ Pr, Published in 1974, 138 pages
19. Algebraic K-Theory
    Olivier Isely | EPFL, Published in 2006, 45 pages
20. Comments and topics on Smarandache notions and problems
    Kenichiro Kashihara | Erhus University Press, Published in 1996, 50 pages
21. Essential Mathematics
    Franco Vivaldi | , Published in 2006, 74 pages
22. Introduction to Groups, Invariants and Particles
    Frank W. K. Firk | Orange Grove Texts Plus, Published in 2000, 162 pages
23. Complex and Adaptive Dynamical Systems: A Primer
    Claudius Gros | arXiv, Published in 2008, 276 pages
24. The Foundations of Geometry
    David Hilbert | Project Gutenberg, Published in 1902, 101 pages
25. Introduction to Statistical Thought
    Michael Lavine | , Published in 2008, 434 pages
26. Introduction to Representation Theory
    Pavel Etingof, at al. | MIT, Published in 2009, 99 pages
27. Optimal Stopping and Applications
    Thomas S. Ferguson | UCLA, Published in 2008
28. Engineering Mathematics 1
    Ian Craw, Stuart Dagger, John Pulham | , Published in 2003, 187 pages
29. Functional Analysis
    Alexander C. R. Belton | Lancaster University, Published in 2006, 127 pages
30. A First Course in Mathematics Concepts for Elementary School Teachers
    Marcel B. Finan | Arkansas Tech University, Published in 2006, 452 pages
31. Vector Math for 3D Computer Graphics
    Bradley Kjell | Central Connecticut State University, Published in 2003
32. Notes on Noncommutative Geometry
    Igor Nikolaev | arXiv, Published in 2015, 309 pages
33. C*-algebraic Methods in Spectral Theory
    Serge Richard | Nagoya University, Published in 2014, 103 pages
34. Medians and Means in Riemannian Geometry: Existence, Uniqueness and Computation
    M. Arnaudon, F. Barbaresco, L. Yang | arXiv, Published in 2011, 48 pages
35. An Introduction to Geometry
    Wong Yan Loi | National University of Singapore, Published in 2021, 145 pages
36. Multivariable Calculus
    Wong Yan Loi | National University of Singapore, Published in 2013, 105 pages
37. Theory of the Integral
    Stanislaw Saks | Polish Mathematical Society, Published in 1937, 347 pages
38. Special Course in Functional Analysis: (Non-)Commutative Topology
    Ville Turunen | Aalto TKK, Published in 2008, 83 pages
39. Fundamentals of Geometry
    Oleg A. Belyaev | Moscow State University, Published in 2007, 256 pages
40. Topics in Algebraic Combinatorics
    Richard P. Stanley | MIT, Published in 2013, 127 pages
41. Lectures on Sieve Methods and Prime Number Theory
    Y. Motohashi | Tata Institute of Fundamental Research, Published in 1983, 181 pages
42. Using R for Introductory Statistics
    John Verzani | Chapman & Hall/CRC, Published in 2004, 114 pages
43. An Introduction to Hilbert Module Approach to Multivariable Operator Theory
    Jaydeb Sarkar | arXiv, Published in 2013, 52 pages
44. Algorithmic Mathematics
    Leonard Soicher, Franco Vivaldi | Queen Mary University of London, Published in 2004, 94 pages
45. An Architecture for Combinator Graph Reduction
    Philip J. Koopman, Jr. | Academic Press, Published in 1990, 176 pages
46. Multivariate Statistics: Concepts, Models, and Applications
    David W. Stockburger | Missouri State University, Published in 2001
47. Probability, Geometry and Integrable Systems
    Mark Pinsky, Bjorn Birnir | Cambridge University Press, Published in 2007, 428 pages
48. Convex Bodies and Algebraic Geometry
    Tadao Oda | Springer, Published in 1988, 219 pages
49. Elementary Linear Algebra
    Kenneth Kuttler | The Saylor Foundation, Published in 2012, 433 pages
50. Surreal Numbers: An Introduction
    Claus Tondering | , Published in 2013, 50 pages
51. Semi-classical analysis
    Victor Guillemin, Shlomo Sternberg | Harvard University, Published in 2012, 488 pages
52. Proofs and Types
    J. Girard, Y. Lafont, P. Taylor | Cambridge University Press, Published in 1989, 183 pages
53. Data Assimilation: A Mathematical Introduction
    K.J.H. Law, A.M. Stuart, K.C. Zygalakis | arXiv.org, Published in 2015, 158 pages
54. Harmonic Analysis
    S.R.S. Varadhan | New York University, Published in 2019, 82 pages
55. Analytic Geometry of Space
    V. Snyder, T.P. Hill | H. Holt and Company, Published in 1914, 322 pages
56. Higher Mathematics for Students of Chemistry and Physics
    Joseph William Mellor | Longmans, Green, Published in 1902, 580 pages
57. A Treatise on Probability
    John Maynard Keynes | Macmillan and co, Published in 1921, 561 pages
58. The Contraction Mapping Principle and Some Applications
    Robert M. Brooks, Klaus Schmitt | American Mathematical Society, Published in 2009, 90 pages
59. Introduction to the Basics of Heegaard Floer Homology
    Bijan Sahamie | arXiv, Published in 2010, 71 pages
60. Convex Optimization: Algorithms and Complexity
    Sebastien Bubeck | arXiv.org, Published in 2015, 130 pages
61. The Encyclopedia of Gambling
    Peter Arnold | Chartwell Books, Published in 1977, 256 pages
62. Differentiable Manifolds
    Nigel Hitchin | , Published in 2003, 94 pages
63. Prerequisites in Algebraic Topology
    Bjorn Ian Dundas | NTNU, Published in 2005, 55 pages
64. Analysis of Puzzles
    Umesh Nair | , Published in 2006, 88 pages
65. Introduction to Representations of Real Semisimple Lie Groups
    Matvei Libine | arXiv, Published in 2012, 132 pages
66. Finite Difference Computing with PDEs
    Hans Petter Langtangen, Svein Linge | Springer, Published in 2017, 507 pages
67. Stability, Riemann Surfaces, Conformal Mappings: Complex Functions Theory a-3
    Leif Mejlbro | BookBoon, Published in 2010, 115 pages
68. Intermediate Algebra
    Katherine Yoshiwara | Bruce Yoshiwara, Published in 2020, 893 pages
69. The Art of Logic
    Nuel Belnap | University of Pittsburgh, Published in 2009, 314 pages
70. An Introduction to Gaussian Geometry
    Sigmundur Gudmundsson | Lund University, Published in 2009, 75 pages
71. Graph Theory
    Keijo Ruohonen | Tampere University of Technology, Published in 2008, 114 pages
72. Special Functions and Their Symmetries: Postgraduate Course in Applied Analysis
    Vadim Kuznetsov, Vladimir Kisil | University of Leeds, Published in 2003
73. Mathematics and Music
    David Wright | Washington University in St. Louis, Published in 2009, 176 pages
74. Theory of Functions of a Real Variable
    Shlomo Sternberg | , Published in 2005, 393 pages
75. Introduction to Fortran 95 and Numerical Computing
    Adrian Sandu | Virginia Tech, Published in 2001, 215 pages
76. Geometry and Group Theory
    Christopher Pope | Texas A&M University, Published in 2008, 181 pages
77. Iterative Methods for Optimization
    C.T. Kelley | Society for Industrial Mathematics, Published in 1987, 188 pages
78. Mirror Symmetry
    Cumrun Vafa, Eric Zaslow | American Mathematical Society, Published in 2003, 950 pages
79. An Introduction to Mathematics
    A. N. Whitehead | Williams & Northgate, Published in 1911, 274 pages
80. Engineering Analysis
    | Wikibooks, Published in 2012, 193 pages
81. Introduction to Analysis
    Irena Swanson | Purdue University, Published in 2020, 353 pages
82. Stochastic Differential Equations: Models and Numerics
    Anders Szepessy, et al. | KTH, Published in 2010, 202 pages
83. Diffeomorphisms of Elliptic 3-Manifolds
    S. Hong, J. Kalliongis, D. McCullough, J. H. Rubinstein | arXiv, Published in 2011, 185 pages
84. Elliptic Functions and Elliptic Curves
    Jan Nekovar | Institut de Mathematiques de Jussieu, Published in 2004, 175 pages
85. E 'Infinite' Ring Spaces and E 'Infinite' Ring Spectra
    J. P. May | Springer, Published in 1977, 280 pages
86. A Introduction to Proofs and the Mathematical Vernacular
    Martin Day | Virginia Tech, Published in 2016, 147 pages
87. Exterior Differential Systems and Euler-Lagrange Partial Differential Equations
    R. Bryant, P. Griffiths, D. Grossman | University Of Chicago Press, Published in 2008, 219 pages
88. Ergodic Optimization, Zero Temperature Limits and the Max-plus Algebra
    A. T. Baraviera, R. Leplaideur, A. O. Lopes | arXiv, Published in 2013, 106 pages
89. Introduction to Complex Analysis
    W W L Chen | Macquarie University, Published in 2003, 194 pages
90. Combinatorial Theory
    Gian-Carlo Rota | , Published in 1998, 414 pages
91. Popular Mathematics
    Robert Mudie | Orr and Smith, Published in 1836, 523 pages
92. Algebraic and Geometric Methods in Enumerative Combinatorics
    Federico Ardila | arXiv, Published in 2014, 143 pages
93. Convergence of Stochastic Processes
    D. Pollard | Springer, Published in 1984, 223 pages
94. Gauge Theory for Fiber Bundles
    Peter W. Michor | Universitaet Wien, Published in 1991, 106 pages
95. Introduction to Graphs
    Alexander K. Hartmann, Martin Weigt | arXiv, Published in 2006, 45 pages
96. Euclid and His Twentieth Century Rivals
    Nathaniel Miller | , Published in 2007, 124 pages
97. Markov Chains and Mixing Times
    D. A. Levin, Y. Peres, E. L. Wilmer | American Mathematical Society, Published in 2008, 387 pages
98. Interactive Real Analysis
    Bert G. Wachsmuth | Seton Hall University, Published in 2007
99. Vector Analysis
    J. Willard Gibbs | Yale University Press, Published in 1929, 432 pages
100. Algebraic Methods
     F. Oggier | Nanyang Technological University, Published in 2011, 199 pages
101. An Introduction to Semialgebraic Geometry
     Michel Coste | Universite de Rennes, Published in 2002, 78 pages
102. Matrix Analysis
     Steven J Cox | Rice University, Published in 2012, 98 pages
103. Multivariable and Vector Analysis
     W W L Chen | Macquarie University, Published in 2008, 203 pages
104. Pluckings from the tree of Smarandache: Sequences and functions
     Charles Ashbacher | American Research Press, Published in 1998, 80 pages
105. Basic Math Quick Reference Handbook
     Peter J. Mitas | Quick Reference Handbooks, Published in 2009, 85 pages
106. Global Analysis: Functional Analysis Examples
     Leif Mejlbro | BookBoon, Published in 2009, 78 pages
107. Elementary Differential Equations with Boundary Value Problems
     William F. Trench | Brooks Cole, Published in 2013, 807 pages
108. Groups as Graphs
     W. B. V. Kandasamy, F. Smarandache | CuArt, Published in 2009, 170 pages
109. Quick Tour of the Topology of R
     StevenHurder, DaveMarker | University of Illinois at Chicago, Published in 2003, 48 pages
110. Honors Calculus
     Frank Jones | Rice University, Published in 2004
111. Introduction to the Theory of Infinite-Dimensional Dissipative Systems
     Constantin I. Chueshov | ACTA, Published in 2002, 419 pages
112. A Text-Book of Geometry
     G. A. Wentworth | Ginn & Company, Published in 1898, 264 pages
113. The Octonions
     John C. Baez | University of California, Published in 2001, 56 pages
114. The Solution of the Pyramid Problem
     Robert Ballard | John Wiley & Sons Ltd., Published in 1882, 109 pages
115. First Book in General Mathematics
     Frank S. Pugh | P.P. Simmons, Published in 1917, 285 pages
116. Lecture Notes on Free Probability
     Vladislav Kargin | arXiv, Published in 2013, 100 pages
117. Algebra: Abstract and Concrete
     Frederick M. Goodman | Semisimple Press, Published in 2015, 587 pages
118. Exotic Homology Manifolds
     Frank Quinn, Andrew Ranicki | , Published in 2006, 158 pages
119. Lectures on Curves on Rational and Unirational Surfaces
     Masayoshi Miyanishi | Tata Institute of Fundamental Research, Published in 1978, 267 pages
120. Differential Equations
     William Woolsey Johnson | J. Wiley, Published in 1906, 96 pages
121. Lectures on Elementary Probability
     William G. Faris | University of Arizona, Published in 2002, 62 pages
122. Combinatorial Group Theory
     Charles F. Miller III | University of Melbourne, Published in 2004, 99 pages
123. Linear Programming
     Jim Burke | University of Washington, Published in 2012
124. Probability Theory
     S. R. S. Varadhan | New York University, Published in 2000, 300 pages
125. Notes on Differential Geometry and Lie Groups
     Jean Gallier | University of Pennsylvania, Published in 2010
126. An Introduction to Partial Differential Equations
     Per Kristen Jakobsen | arXiv.org, Published in 2019, 226 pages
127. Linear Elliptic Equations of Second Order
     Erich Miersemann | Leipzig University, Published in 2012, 87 pages
128. An Elementary Course in Synthetic Projective Geometry
     Derrick Norman Lehmer | Project Gutenberg, Published in 2005, 120 pages
129. Lectures on Forms of Higher Degree
     J.I. Igusa | Tata Institute of Fundamental Research, Published in 1978, 169 pages
130. Lectures on Random Polymers
     F. Caravenna, F. den Hollander, N. Petrelis | arXiv, Published in 2011, 74 pages
131. A. N. Whitehead's Geometric Algebra
     Stephen Blake | , Published in 2005, 280 pages
132. Basic Concepts in Modal Logic
     Edward N. Zalta | Stanford University, Published in 2011, 91 pages
133. A Mathematicians Miscellany
     J. E. Littlewood | Methuen And Company Limited, Published in 1953, 152 pages
134. Algorithmic Algebra
     Bhubaneswar Mishra | Courant Institute of Mathematical Sciences, Published in 1993, 425 pages
135. The Axioms Of Descriptive Geometry
     Alfred North Whitehead | Cambridge University Press, Published in 1914, 96 pages
136. Hyperbolic Manifolds, Discrete Groups and Ergodic Theory
     Curtis T. McMullen | Harvard University, Published in 2011, 118 pages
137. Elliptic Integrals
     Harris Hancock | J. Wiley, Published in 1917, 118 pages
138. Probability, Random Processes, and Ergodic Properties
     Robert M. Gray | Springer, Published in 2008, 217 pages
139. Dynamical Systems
     Shlomo Sternberg | OER Commons, Published in 2000, 151 pages
140. Mathematics in the Age of the Turing Machine
     Thomas Hales | arXiv, Published in 2013, 45 pages
141. The Haskell Road to Logic, Maths and Programming
     Kees Doets, Jan van Eijck | College Publications, Published in 2004, 449 pages
142. Introductory Finite Difference Methods for PDEs
     D. M. Causon, C. G. Mingham | BookBoon, Published in 2010, 144 pages
143. Differential Geometry: A First Course in Curves and Surfaces
     Theodore Shifrin | University of Georgia, Published in 2015, 127 pages
144. Basic Probability Theory
     Robert B. Ash | Dover Publications, Published in 2008, 352 pages
145. Discrete Dynamical Systems
     Arild Wikan | Bookboon, Published in 2013, 254 pages
146. Elementary Symbolic Dynamics and Chaos in Dissipative Systems
     Bai-Lin Hao | World Scientific, Published in 1989, 475 pages
147. Calculus in Context
     James Callahan, et al. | Five Colleges, Inc., Published in 2008, 869 pages
148. A Course Of Differential Geometry
     John Edward Campbell | Clarendon Press, Published in 1926, 288 pages
149. Lectures on Integrable Probability
     Alexei Borodin, Vadim Gorin | arXiv, Published in 2012, 63 pages
150. Treatise on Differential Geometry and its role in Relativity Theory
     Subenoy Chakraborty | arXiv.org, Published in 2022, 259 pages
151. Implementing Mathematics with The Nuprl Proof Development System
     R. L. Constable, at al. | Prentice Hall, Published in 1986
152. Arithmetic Duality Theorems
     J.S. Milne | BookSurge Publishing, Published in 2006, 347 pages
153. Linear Algebra C-2: Geometrical Vectors, Vector Spaces and Linear Maps
     Leif Mejlbro | BookBoon, Published in 2009, 126 pages
154. Mathematical Theory of Scattering Resonances
     Semyon Dyatlov, Maciej Zworski | MIT, Published in 2018, 640 pages
155. A Mathematics Primer for Physics Graduate Students
     Andrew E. Blechman | , Published in 2007, 78 pages
156. Topology Lecture Notes
     Thomas Ward | UEA, Published in 2001, 88 pages
157. Axiomatic Set Theory I
     A. C. Walczak-Typke | , Published in 2009, 128 pages
158. Elementary Number Theory
     W W L Chen | Macquarie University, Published in 2003, 98 pages
159. Generic Polynomials: Constructive Aspects of the Inverse Galois Problem
     C. U. Jensen, A. Ledet, N. Yui | Cambridge University Press, Published in 2002, 268 pages
160. A Short Introduction to Classical and Quantum Integrable Systems
     O. Babelon | , Published in 2007, 145 pages
161. Beyond partial differential equations: A course on linear and quasi-linear abstract hyperbolic evolution equations
     Horst R. Beyer | arXiv, Published in 2011, 275 pages
162. Statistical Tools for Economists
     Daniel McFadden | University of California, Berkeley, Published in 2001
163. Category Theory for the Sciences
     David I. Spivak | The MIT Press, Published in 2014, 496 pages
164. Geometry of Surfaces
     Nigel Hitchin | , Published in 2013, 101 pages
165. Descriptive Set Theory
     David Marker | University of Illinois at Chicago, Published in 2002, 105 pages
166. A Course In Commutative Algebra
     Robert B. Ash | University of Illinois, Published in 2006
167. Abstract Algebra for Polynomial Operations
     Maya Mohsin Ahmed | , Published in 2009, 210 pages
168. Commutative Algebra
     Jacob Lurie, Akhil Mathew | Harvard University, Published in 2010, 172 pages
169. Theory of Probability: A Historical Essay
     Oscar Sheynin | arXiv.org, Published in 2017, 316 pages
170. Basics of Algebra and Analysis For Computer Science
     Jean Gallier | , Published in 2007, 254 pages
171. Fundamental Numerical Methods and Data Analysis
     George W. Collins, II | NASA ADS, Published in 2003, 254 pages
172. Abstract Algebra
     J. Mathos, R. Campanha | Wikibooks, Published in 2012
173. Complex Variables
     R. B. Ash, W. P. Novinger | , Published in 2004, 220 pages
174. Elementary Abstract Algebra: Examples and Applications
     Justin Hill, Chris Thron | Texas A&M University, Published in 2017, 785 pages
175. The Theory of Numbers
     R. D. Carmichael | John Wiley & Sons, Published in 1914, 85 pages
176. Online Statistics Education
     David Lane | Rice University, Published in 2017, 692 pages
177. Calculus and Linear Algebra. Vol. 1
     Wilfred Kaplan, Donald J. Lewis | University of Michigan Library, Published in 2007, 712 pages
178. Lectures on Stochastic Flows and Applications
     H. Kunita | Tata Institute Of Fundamental Research, Published in 1986, 130 pages
179. Differential Geometry Course Notes
     Richard Koch | University of Oregon, Published in 2005, 188 pages
180. Lectures on Field Theory and Ramification Theory
     Sudhir R. Ghorpade | Indian Institute of Technology, Bombay, Published in 2008, 36 pages
181. Entropy of Compact Group Automorphisms
     Thomas Ward | University of East Anglia, Published in 2001, 84 pages
182. Universal Optimization and Its Application
     Alexander Bolonkin | viXra.org, Published in 2017, 161 pages
183. Commutative Algebra
     Keerthi Madapusi | Harvard University, Published in 2007, 177 pages
184. Mathematical Formula Handbook
     Wu-ting Tsai | National Taiwan University, Published in 2012, 28 pages
185. Engineering Mathematics
     Charles Proteus Steinmetz | McGraw-Hill, Published in 1911, 326 pages
186. Notes on String Topology
     Ralph L. Cohen, Alexander A. Voronov | arXiv, Published in 2005, 95 pages
187. Semi-Riemann Geometry and General Relativity
     Shlomo Sternberg | , Published in 2003, 251 pages
188. Homological Conjectures
     Tom Marley, Laura Lynch | University of Nebraska - Lincoln, Published in 2010, 56 pages
189. Math Made a Bit Easier: Basic Math Explained in Plain English
     Larry Zafran | CreateSpace, Published in 2009, 280 pages
190. Algorithmic Graph Theory
     David Joyner, Minh Van Nguyen, Nathann Cohen | Google Code, Published in 2010, 105 pages
191. Introduction to Mathematical Philosophy
     Bertrand Russell | University of Massachusetts Amherst, Published in 2009, 181 pages
192. Nonlinear Partial Differential Equations of Elliptic Type
     Vicentiu Radulescu | arXiv, Published in 2005, 114 pages
193. Very Basic Noncommutative Geometry
     Masoud Khalkhali | University of Western Ontario, Published in 2004, 104 pages
194. Mathematical Methods of Engineering Analysis
     Erhan Cinlar, Robert J. Vanderbei | , Published in 2000, 119 pages
195. Lectures on Differential Geometry
     John Douglas Moore | University of California, Published in 2009, 263 pages
196. A Short Account of the History of Mathematics
     W. W. Rouse Ball | Dover Publications, Published in 1960, 466 pages
197. Differential Equations and Linear Algebra
     Simon J.A. Malham | Heriot-Watt University, Published in 2010, 95 pages
198. Category Theory Lecture Notes
     Michael Barr, Charles Wells | , Published in 1999, 133 pages
199. An Introduction to Lie Group Integrators
     E. Celledoni, H. Marthinsen, B. Owren | arXiv, Published in 2012, 28 pages
200. Real Functions in One Variable: Calculus 1a
     Leif Mejlbro | BookBoon, Published in 2006, 146 pages
201. Residuals and Influence in Regression
     R. Dennis Cook, Sanford Weisberg | Chapman & Hall, Published in 1982, 240 pages
202. Intermediate Algebra
     Donna Gaudet, et al. | Scottsdale Community College, Published in 2013, 480 pages
203. Introduction to Matrix Algebra
     Autar K Kaw | University of South Florida, Published in 2002, 192 pages
204. Mathematical Computation
     Ian Craw | University of Aberdeen, Published in 2003, 156 pages
205. Elementary Geometry: Practical and Theoretical
     C. Godfrey, A. W. Siddons | Cambridge University Press, Published in 1919, 438 pages
206. Discrete Optimization
     Guido Schaefer | Utrecht University, Published in 2012, 97 pages
207. Elements of Algebra
     Arthur Schultze | The Macmillan Company, Published in 1917, 377 pages
208. Iterative Methods for Sparse Linear Systems
     Yousef Saad | PWS, Published in 1996
209. Linear Algebra
     Peter Petersen | UCLA, Published in 2007, 300 pages
210. Symbolic Logic: A Second Course
     Gary Hardegree | UMass Amherst, Published in 2003, 246 pages
211. Classical Algebraic Geometry: A Modern View
     Igor V. Dolgachev | Cambridge University Press, Published in 2012, 716 pages
212. Lectures on Siegel's Modular Functions
     H. Maass | Tata Institute of Fundamental Research, Published in 1955, 286 pages
213. Topics in topology: The signature theorem and some of its applications
     Liviu I. Nicolaescu | University of Notre Dame, Published in 2008, 159 pages
214. Lectures On Irregularities Of Distribution
     Wolfgang M. Schmidt | Tata Institute of Fundamental Research, Published in 1977, 137 pages
215. Differential Geometry: Lecture Notes
     Dmitri Zaitsev | Trinity College Dublin, Published in 2004, 49 pages
216. Elliptic Curves over Function Fields
     Douglas Ulmer | arXiv, Published in 2011, 72 pages
217. Matrix Algebra
     Marco Taboga | StatLect, Published in 2021, 320 pages
218. Categories, Types, and Structures
     Andrea Asperti, Giuseppe Longo | MIT Press, Published in 1991, 300 pages
219. Algebra I
     | CK-12 Foundation, Published in 2009, 992 pages
220. Random Differential Equations in Scientific Computing
     Tobias Neckel, Florian Rupp | De Gruyter Open, Published in 2013, 650 pages
221. Complex Analysis
     George Cain | , Published in 2001
222. Hilbert Spaces and Operators on Hilbert Spaces
     Leif Mejlbro | BookBoon, Published in 2009, 109 pages
223. Probability and Statistics for Geophysical Processes
     D. Koutsoyiannis | National Technical University of Athens, Published in 2008, 161 pages
224. Foundations of Infinitesimal Calculus
     H. Jerome Keisler | University of Wisconsin, Published in 2011, 213 pages
225. Complex Manifolds and Hermitian Differential Geometry
     Andrew D. Hwang | University of Toronto, Published in 1997, 113 pages
226. Linear Algebra
     Jim Hefferon | Saint Michael's College, Published in 2017, 507 pages
227. Topological Groups: Yesterday, Today, Tomorrow
     Sidney A. Morris (ed.) | MDPI AG, Published in 2016, 230 pages
228. Elementary Analytic Functions: Complex Functions Theory a-1
     Leif Mejlbro | BookBoon, Published in 2010, 145 pages
229. Advanced Calculus and Analysis
     Ian Craw | University of Aberdeen, Published in 2000, 110 pages
230. Elementary Theory of Numbers
     Waclaw Sierpinski | ICM, Published in 1964, 516 pages
231. Trigonometry
     Ted Sundstrom, Steven Schlicker | Grand Valley State University, Published in 2016, 442 pages
232. Precalculus: An Investigation of Functions
     David Lippman, Melonie Rasmussen | Lulu.com, Published in 2011, 568 pages
233. Rotations of Vectors Via Geometric Algebra
     James A. Smith | viXra, Published in 2016, 76 pages
234. Integration and Differential Equations
     R.S. Johnson | BookBoon, Published in 2012, 122 pages
235. Trends in Commutative Algebra
     Luchezar L. Avramov, at al. | Cambridge University Press, Published in 2005, 264 pages
236. Traveling Wave Solutions of Parabolic Systems
     A. Volpert, V. Volpert, V. Volpert | American Mathematical Society, Published in 2000, 448 pages
237. Logic for Computer Scientists
     Uli Furbach | Wikibooks, Published in 2010
238. Probability
     Douglas Kennedy | Trinity College, Published in 2010, 78 pages
239. Lectures on Topics in Algebraic K-Theory
     Hyman Bass | Tata Institute of Fundamental Research, Published in 1967, 138 pages
240. The Geometry of Vector Calculus
     Tevian Dray, Corinne A. Manogue | Oregon State University, Published in 2012, 325 pages
241. A Second Semester of Linear Algebra
     S. E. Payne | University of Colorado Denver, Published in 2009, 236 pages
242. Statistics for Health, Life and Social Sciences
     Denis Anthony | BookBoon, Published in 2011, 292 pages
243. Knot Diagrammatics
     Louis H. Kauffman | arXiv, Published in 2004, 107 pages
244. Category Theory and Functional Programming
     Mikael Vejdemo-Johansson | University of St. Andrews, Published in 2012, 99 pages
245. Real Functions in One Variable: Examples of Integrals
     Leif Mejlbro | BookBoon, Published in 2007, 154 pages
246. Around the Boundary of Complex Dynamics
     Roland K. W. Roeder | arXiv, Published in 2015, 56 pages
247. Projective Differential Geometry Old and New
     V. Ovsienko, S. Tabachnikov | Cambridge University Press, Published in 2004, 281 pages
248. Riemann Surfaces, Dynamics and Geometry
     Curtis McMullen | Harvard University, Published in 2020, 203 pages
249. Linear Algebra for Informatics
     José Figueroa-O'Farrill | The University of Edinburgh, Published in 2005, 69 pages
250. Plane and Solid Analytic Geometry
     W. F. Osgood, W. C. Graustein | Macmillan and co., Published in 1921, 651 pages
251. Proof, Sets, and Logic
     M. Randall Holmes | Boise State University, Published in 2009, 207 pages
252. Hyperbolic Geometry
     J.W. Cannon, W.J. Floyd, R. Kenyon, W.R. Parry | MSRI, Published in 1997, 57 pages
253. Random Matrix Theory, Interacting Particle Systems and Integrable Systems
     Percy Deift, Peter Forrester (eds) | Cambridge University Press, Published in 2014, 528 pages
254. Probability Theory
     Curtis T. McMullen | Harvard University, Published in 2011, 98 pages
255. Applied Mathematical Programming Using Algebraic Systems
     Bruce A. McCarl, Thomas H. Spreen | Texas A&M University, Published in 2011, 567 pages
256. Partial Differential Equations of Mathematical Physics
     William W. Symes | Rice University, Published in 2006, 105 pages
257. The Elements of Solid Geometry
     William C. Bartol | Leach, Shewell & Sanborn, Published in 1893, 112 pages
258. Real Analysis
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381. Euclid's Elements of Geometry
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395. First Semester in Numerical Analysis with Julia
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457. An Introduction to the Smarandache Function
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