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. Homological Conjectures
   Tom Marley, Laura Lynch | University of Nebraska - Lincoln, Published in 2010, 56 pages
2. Analytic Geometry and Principles of Algebra
   A. Ziwet, L.A. Hopkins, E.R. Hedrick | The Macmillan Company, Published in 1913, 398 pages
3. Origami and Geometric Constructions
   Robert J. Lang | , Published in 2003, 55 pages
4. Mathematical Physics II
   Boris Dubrovin | SISSA, Published in 2008, 78 pages
5. Real Harmonic Analysis
   Pascal Auscher, Lashi Bandara | ANU eView, Published in 2012, 113 pages
6. Functors and Categories of Banach Spaces
   Peter W. Michor | Springer, Published in 1978, 103 pages
7. Linear Elliptic Equations of Second Order
   Erich Miersemann | Leipzig University, Published in 2012, 87 pages
8. Category Theory for the Sciences
   David I. Spivak | The MIT Press, Published in 2014, 496 pages
9. Notes on Classical Groups
   Peter J. Cameron | Queen Mary and Westfield College, Published in 2000, 96 pages
10. Workbook in Higher Algebra
    David Surowski | , Published in 1992, 194 pages
11. Introduction to Stochastic Analysis
    Michael Roeckner | Universitaet Bielefeld, Published in 2011, 98 pages
12. Functional Analysis
    Gerald Teschl | University of Vienna, Published in 2009, 142 pages
13. An Introduction to Combinatorics and Graph Theory
    David Guichard | Whitman College, Published in 2017, 153 pages
14. Lectures on Singular Stochastic PDEs
    M. Gubinelli, N. Perkowski | arXiv, Published in 2015, 67 pages
15. Advances in Graph Algorithms
    Ton Kloks, Yue-Li Wang | viXra.org, Published in 2013, 178 pages
16. Introductory Map Theory
    Yanpei Liu | Kapa & Omega, Published in 2010, 503 pages
17. Mathematics for Computer Scientists
    Gareth J. Janacek, Mark L. Close | BookBoon, Published in 2008, 153 pages
18. Dynamical Systems
    Shlomo Sternberg | OER Commons, Published in 2000, 151 pages
19. Elementary Functions and Applications
    Arthur Sullivan Gale, Charles William Watkeys | H. Holt & Co., Published in 1920, 459 pages
20. Topics in the Theory of Quadratic Residues
    Steve Wright | arXiv, Published in 2014, 160 pages
21. Topics in Logic and Foundations
    Stephen G. Simpson | The Pennsylvania State University, Published in 2005, 89 pages
22. Introduction to Shimura Varieties
    J.S. Milne | , Published in 2004, 149 pages
23. Finite Difference Computing with PDEs
    Hans Petter Langtangen, Svein Linge | Springer, Published in 2017, 507 pages
24. Lectures on Deformations of Singularities
    Michael Artin | Tata Institute of Fundamental Research, Published in 1976, 110 pages
25. A First Course in Linear Algebra
    Ken Kuttler | Lyryx, Published in 2017, 608 pages
26. Elementary Trigonometry
    W. E. Paterson | Clarendon Press, Published in 1911, 213 pages
27. Linear Algebra, Infinite Dimensions, and Maple
    James V. Herod | Georgia Tech, Published in 1997
28. Lectures on Numerical Methods for Non-Linear Variational Problems
    R. Glowinski | Tata Institute of Fundamental Research, Published in 1980, 265 pages
29. Inside Out: Inverse Problems and Applications
    Gunther Uhlmann | Cambridge University Press, Published in 2003, 400 pages
30. Lectures on Meromorphic Functions
    W.K. Hayman | Tata Institue of Fundamental Research, Published in 1959, 119 pages
31. First Book in Arithmetic
    | W.W. Shannon, Published in 1905, 268 pages
32. Basic Analysis Gently Done: Topological Vector Spaces
    Ivan F. Wilde | King's College, London, Published in 2010, 129 pages
33. Vector Analysis and the Theory of Relativity
    Francis Dominic Murnaghan | Johns Hopkins press, Published in 1922, 156 pages
34. Sets, Groups and Knots
    Curtis T. McMullen | Harvard University, Published in 2008, 56 pages
35. 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
36. Homological Methods in Noncommutative Geometry
    D. Kaledin | , Published in 2008, 77 pages
37. Convex Optimization
    Stephen Boyd, Lieven Vandenberghe | Cambridge University Press, Published in 2004, 730 pages
38. Notes on Optimization
    Pravin Varaiya | Van Nostrand, Published in 1972, 140 pages
39. Notes on Discrete Mathematics
    Miguel A. Lerma | , Published in 2005, 154 pages
40. Language, Proof and Logic
    Jon Barwise, John Etchemendy | Center for the Study of Language, Published in 2011, 620 pages
41. Statistics 1
    Keijo Ruohonen | Tampere University of Technology, Published in 2011, 97 pages
42. Calculus Unlimited
    Jerrold E. Marsden, A. Weinstein | Benjamin-Cummings Publishing Co., Published in 1981, 246 pages
43. Differential Equations with YouTube Examples
    Jeffrey R. Chasnov | BookBoon, Published in 2014, 57 pages
44. generatingfunctionology
    Herbert S. Wilf | A K Peters, Ltd., Published in 2006, 245 pages
45. Lie Algebras
    Shlomo Sternberg | , Published in 2004, 198 pages
46. The Theory Of Integration
    L. C. Young | Cambridge University Press, Published in 1927, 69 pages
47. Mathematical Methods for Economic Theory: a tutorial
    Martin J. Osborne | University of Toronto, Published in 2007, 301 pages
48. An Introduction to High Dimensional Knots
    Eiji Ogasa | arXiv, Published in 2013, 92 pages
49. Exterior Differential Systems
    Robert L. Bryant, et al. | MSRI, Published in 1991, 406 pages
50. Foundations of Mathematics
    Stephen G. Simpson | Pennsylvania State University, Published in 2008, 123 pages
51. An Introduction to the Theory of Numbers
    Leo Moser | The Trillia Group, Published in 2007, 95 pages
52. Discrete Dynamical Systems
    Arild Wikan | Bookboon, Published in 2013, 254 pages
53. Notes on Automorphic Functions
    Anders Thorup | Kobenhavns Universitet, Published in 1995, 186 pages
54. Symplectic, Poisson, and Noncommutative Geometry
    Tohru Eguchi, et al. | Cambridge University Press, Published in 2014, 290 pages
55. Mathematics for the Physical Sciences
    Herbert S Wilf | Dover Publications, Published in 1962, 298 pages
56. Applied and Computational Linear Algebra: A First Course
    Charles L. Byrne | University of Massachusetts Lowell, Published in 2013, 504 pages
57. Stochastic Integration and Stochastic Differential Equations
    Klaus Bichteler | University of Texas, Published in 2002, 643 pages
58. An Introduction to Probability and Random Processes
    Gian-Carlo Rota, Kenneth Baclawski | , Published in 1979, 467 pages
59. First Book in General Mathematics
    Frank S. Pugh | P.P. Simmons, Published in 1917, 285 pages
60. The Matrix Cookbook
    Kaare Brandt Petersen, Michael Syskind Pedersen | , Published in 2008, 67 pages
61. Engineering Statistics and Quality Control
    Irving W. Burr | McGraw-Hill, Published in 1953
62. Arimaa
    | Wikibooks, Published in 2011
63. Harmonic Function Theory
    Sheldon Axler, Paul Bourdon, Wade Ramey | Springer, Published in 2001, 270 pages
64. Notes on Linear Algebra
    Peter J. Cameron | Queen Mary, University of London, Published in 2008, 124 pages
65. Orders of Infinity
    G. H. Hardy | Cambridge University Press, Published in 1910, 101 pages
66. Lectures on Topics In The Theory of Infinite Groups
    B.H. Neumann | Tata Institute of Fundamental Research, Published in 1960, 200 pages
67. Introduction to Lie Groups, Adjoint Action and Some Generalizations
    Marcos M. Alexandrino, Renato G. Bettiol | arXiv, Published in 2010, 129 pages
68. Differentiable Manifolds
    Nigel Hitchin | , Published in 2003
69. An Introduction to Category Theory in Four Easy Movements
    A. Schalk, H. Simmons | Manchester University, Published in 2005, 197 pages
70. Hyperbolic Geometry
    J.W. Cannon, W.J. Floyd, R. Kenyon, W.R. Parry | MSRI, Published in 1997, 57 pages
71. Elementary Differential Equations with Boundary Value Problems
    William F. Trench | Brooks Cole, Published in 2013, 807 pages
72. Geometry of Numbers with Applications to Number Theory
    Pete L. Clark | University of Georgia, Published in 2013, 138 pages
73. Introduction to Differential Topology
    Uwe Kaiser | Boise State University, Published in 2006, 110 pages
74. Statistics for Health, Life and Social Sciences
    Denis Anthony | BookBoon, Published in 2011, 292 pages
75. Ten Chapters of the Algebraical Art
    Peter J. Cameron | Queen Mary, University of London, Published in 2007, 108 pages
76. A Summary of Calculus
    Karl Heinz Dovermann | University of Hawaii, Published in 2003, 164 pages
77. Graph Theory
    Keijo Ruohonen | Tampere University of Technology, Published in 2008, 114 pages
78. Commutator Theory for Congruence Modular Varieties
    Ralph Freese, Ralph McKenzie | Cambridge University Press, Published in 1987, 174 pages
79. Introduction to Arithmetic Groups
    Dave Witte Morris | arXiv, Published in 2015, 491 pages
80. Partial Differential Equations of Mathematical Physics
    William W. Symes | Rice University, Published in 2006, 105 pages
81. Sets, Relations, Functions
    Ivo Düntsch, Günther Gediga | Methodos Publishers (UK), Published in 2000, 55 pages
82. Circulants
    Alun Wyn-jones | , Published in 2008, 149 pages
83. The Theory of Numbers
    R. D. Carmichael | John Wiley & Sons, Published in 1914, 85 pages
84. Lectures on the topological recursion for Higgs bundles and quantum curves
    Olivia Dumitrescu, Motohico Mulase | arXiv, Published in 2015, 69 pages
85. Statistics
    | Wikibooks, Published in 2013, 236 pages
86. Several Complex Variables
    Michael Schneider, Yum-Tong Siu | Cambridge University Press, Published in 1999, 564 pages
87. Notes on Basic 3-Manifold Topology
    Allen Hatcher | , Published in 2000, 61 pages
88. Transmutations and Applications: a survey
    Sergei M. Sitnik | arXiv, Published in 2010, 141 pages
89. Math in Society
    David Lippman | Lulu.com, Published in 2013, 432 pages
90. Lectures on Torus Embeddings and Applications
    Tadao Oda | Tata Institute of Fundamental Research, Published in 1978, 158 pages
91. On 2D Inverse Problems
    | Wikibooks, Published in 2013
92. An Introduction to Mathematical Reasoning
    Peter J. Eccles | Cambridge University Press, Published in 2007, 364 pages
93. Special Functions, a Review
    S. Arfaoui, I. Rezgui, A.B. Mabrouk | viXra, Published in 2016, 69 pages
94. CK-12 Basic Probability and Statistics: A Short Course
    Brenda Meery | CK-12.org, Published in 2010, 201 pages
95. Basic Math Quick Reference Handbook
    Peter J. Mitas | Quick Reference Handbooks, Published in 2009, 83 pages
96. Descriptive Set Theory
    David Marker | University of Illinois at Chicago, Published in 2002, 105 pages
97. Euclidean Plane and Its Relatives
    Anton Petrunin | , Published in 2017, 201 pages
98. Algorithms in Real Algebraic Geometry
    S. Basu, R. Pollack, M. Roy | Springer, Published in 2009, 672 pages
99. Vector Calculus: Course
    Peter Saveliev | Intelligent Perception, Published in 2013
100. Group Theory
     J. S. Milne | , Published in 2009, 127 pages
101. Triangles, Rotation, a Theorem and the Jackpot
     Dave Auckly | arXiv, Published in 2013, 43 pages
102. Calculus, Applications and Theory
     Kenneth Kuttler | , Published in 2008, 912 pages
103. Topics in Real and Functional Analysis
     Gerald Teschl | Universitaet Wien, Published in 2016, 486 pages
104. Ten British Mathematicians
     Alexander Macfarlane | , Published in 1916, 108 pages
105. A Gentle Introduction to Tensors
     Boaz Porat | Technion, Published in 2010, 87 pages
106. 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
107. Noncommutative Algebraic Geometry
     Gwyn Bellamy, et al. | Cambridge University Press, Published in 2016, 360 pages
108. Algebraic Groups, Lie Groups, and their Arithmetic Subgroups
     J. S. Milne | , Published in 2010, 383 pages
109. Non-Euclidean Geometry: A Critical and Historical Study of its Development
     Roberto Bonola | Open Court Publishing Company, Published in 1912, 292 pages
110. APEX Calculus
     Gregory Hartman, et al. | APEXcalculus.com, Published in 2015, 874 pages
111. Group Theory: Birdtracks, Lie's, and Exceptional Groups
     Predrag Cvitanovic | Princeton University Press, Published in 2008, 285 pages
112. Abelian Categories: an Introduction to the Theory of Functors
     Peter Freyd | Harper and Row, Published in 1964, 192 pages
113. Analysis of Puzzles
     Umesh Nair | , Published in 2006, 88 pages
114. Inverse Problem Theory and Methods for Model Parameter Estimation
     Albert Tarantola | SIAM, Published in 2004, 358 pages
115. Yet Another Calculus Text
     Dan Sloughter | , Published in 2007, 147 pages
116. A Brief History of Mathematics
     Karl Fink | Open Court Publishing Company, Published in 1900, 366 pages
117. Algebraic and Geometric Methods in Enumerative Combinatorics
     Federico Ardila | arXiv, Published in 2014, 143 pages
118. An Introduction to Lie Group Integrators
     E. Celledoni, H. Marthinsen, B. Owren | arXiv, Published in 2012, 28 pages
119. The Eightfold Way: The Beauty of Klein's Quartic Curve
     Silvio Levy | Cambridge University Press, Published in 1999, 331 pages
120. Elements of Abstract and Linear Algebra
     Edwin H. Connell | , Published in 2004, 146 pages
121. Lectures on Stratification of Complex Analytic Sets
     M.-H. Schwartz | Tata Institute of Fundamental Research, Published in 1966, 67 pages
122. Reform Calculus
     Marcel B. Finan | Arkansas Tech University, Published in 2004, 253 pages
123. Frobenius Splitting in Commutative Algebra
     Karen E. Smith, Wenliang Zhang | arXiv, Published in 2014, 53 pages
124. Combinatorial Algorithms
     Albert Nijenhuis, Herbert S. Wilf | Academic Press Inc, Published in 1978, 316 pages
125. A Friendly Introduction to Mathematical Logic
     Christopher C. Leary, Lars Kristiansen | Milne Library Publishing, Published in 2015, 380 pages
126. 18 Lectures on K-Theory
     Ioannis P. Zois | arXiv, Published in 2010, 137 pages
127. Isabelle/HOL: A Proof Assistant for Higher-Order Logic
     T. Nipkow, L.C. Paulson, M. Wenzel | Springer, Published in 2010, 223 pages
128. Euclid's Elements
     D.E.Joyce | , Published in 1998
129. Conic Sections Treated Geometrically
     W. H. Besant | George Bell and Sons, Published in 1895, 367 pages
130. Notes on Fermionic Fock Space for Number Theorists
     Greg W. Anderson | The University of Arizona, Published in 2000, 99 pages
131. The Craft of Fractional Modelling in Science and Engineering
     Jordan Hristov (ed.) | MDPI AG, Published in 2018, 140 pages
132. Linear Programming
     Jim Burke | University of Washington, Published in 2012
133. Lectures notes on compact Riemann surfaces
     Bertrand Eynard | arXiv.org, Published in 2018, 119 pages
134. Arithmetic Duality Theorems
     J.S. Milne | BookSurge Publishing, Published in 2006, 347 pages
135. Functional Analysis with Applications
     Palle Jorgensen, Feng Tian | arXiv, Published in 2014, 338 pages
136. H2 Mathematics Textbook
     Yan Min Choo | , Published in 2016, 1384 pages
137. A Treatise on the Theory of Invariants
     Oliver E. Glenn | Project Gutenberg, Published in 2006, 221 pages
138. An Introduction to Riemannian Geometry with Applications to Mechanics and Relativity
     Leonor Godinho, Jose Natario | , Published in 2004, 272 pages
139. Lectures on An Introduction to Grothendieck's Theory of the Fundamental Group
     J.P. Murre | Tata Institute of Fundamental Research, Published in 1967, 143 pages
140. Mathematical Tools for Physics
     James Nearing | Dover Publications, Published in 2010, 569 pages
141. Everything Maths: Grade 12 Mathematics
     Neels van der Westhuizen, et al. | Siyavula, Published in 2012, 199 pages
142. Introduction to Stokes Structures
     Claude Sabbah | arXiv, Published in 2010, 157 pages
143. Conformal Fractals: Ergodic Theory Methods
     F. Przytycki, M. Urbanski | Cambridge University Press, Published in 2009, 362 pages
144. The Hermitian Two Matrix Model with an Even Quartic Potential
     M. Duits,‎ A.B.J. Kuijlaars,‎ M. Yue Mo | American Mathematical Society, Published in 2012, 118 pages
145. Holonomy Groups in Riemannian Geometry
     Andrew Clarke, Bianca Santoro | arXiv, Published in 2012, 124 pages
146. Bayesian Field Theory
     J. C. Lemm | arXiv.org, Published in 2000, 200 pages
147. Smarandache Near-rings
     W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 201 pages
148. Calculus III
     Paul Dawkins | Lamar University, Published in 2011, 287 pages
149. 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
150. A Course Of Differential Geometry
     John Edward Campbell | Clarendon Press, Published in 1926, 288 pages
151. The Game of Logic
     Lewis Carroll | MacMillan, Published in 1887, 128 pages
152. An Introduction to Asymptotic Analysis
     Simon J.A. Malham | Heriot-Watt University, Published in 2010, 56 pages
153. Applied Combinatorics
     Mitchel T. Keller, William T. Trotter | Georgia Institute of Technology, Published in 2013, 345 pages
154. Lectures on Birational Geometry
     Caucher Birkar | arXiv, Published in 2012, 85 pages
155. Advanced Data Analysis from an Elementary Point of View
     Cosma Rohilla Shalizi | Cambridge University Press, Published in 2013, 586 pages
156. Mixed Motives
     Marc Levine | American Mathematical Society, Published in 1998, 523 pages
157. A Course of Pure Geometry: Properties of the Conic Sections
     E.H. Askwith | Cambridge University Press, Published in 1917, 314 pages
158. An Infinitely Large Napkin
     Evan Chen | MIT, Published in 2016, 615 pages
159. Symmetry Measures on Complex Networks
     Angel Garrido (ed.) | MDPI AG, Published in 2017, 510 pages
160. Introduction to Infinitesimal Analysis: Functions of One Real Variable
     N. J. Lennes | John Wiley & Sons, Published in 1907, 225 pages
161. Discrete Structures
     Vladlen Koltun | Stanford University, Published in 2008, 89 pages
162. Categorical Homotopy Theory
     Emily Riehl | Cambridge University Press, Published in 2014, 292 pages
163. Multivariable Calculus
     Wong Yan Loi | National University of Singapore, Published in 2013, 105 pages
164. Computations in Algebraic Geometry with Macaulay 2
     D. Eisenbud, D. Grayson, M. Stillman, B. Sturmfels | Springer, Published in 2001, 343 pages
165. Riemannian Geometry
     Richard L. Bishop | arXiv, Published in 2013, 67 pages
166. Surfing on the ocean of numbers
     Henry Ibstedt | Erhus University Press, Published in 1997, 76 pages
167. Grassmann Algebra
     John Browne | , Published in 2001, 238 pages
168. A Manual of Intensional Logic
     Johan van Benthem | CSLI, Published in 1988, 147 pages
169. Higher Mathematics for Engineers and Physicists
     Ivan S. Sokolnikoff | McGraw Hill, Published in 1941, 537 pages
170. Quasi-Projective Moduli for Polarized Manifolds
     Eckart Viehweg | Springer, Published in 1995, 326 pages
171. Mathematical Illustrations: A Manual of Geometry and PostScript
     Bill Casselman | Cambridge University Press, Published in 2005, 336 pages
172. Ordinary Differential Equations
     Wong Yan Loi | National University of Singapore, Published in 2013, 121 pages
173. Math Alive
     Ingrid Daubechies, Shannon Hughes | Princeton University, Published in 2008, 454 pages
174. The Manual of Mathematical Magic
     Peter McOwan | Queen Mary, University of London, Published in 2010, 96 pages
175. A Computational Introduction to Number Theory and Algebra
     Victor Shoup | Cambridge University Press, Published in 2005, 534 pages
176. Introduction to Projective Varieties
     Enrique Arrondo | Universidad Complutense de Madrid, Published in 2007, 140 pages
177. Statistics: Methods and Applications
     Thomas Hill, Paul Lewicki | StatSoft, Inc., Published in 2005, 800 pages
178. Elementary Differential Geometry
     Gilbert Weinstein | UAB, Published in 2009, 62 pages
179. Intermediate Maths for Chemists
     J. E. Parker | Bookboon, Published in 2013, 106 pages
180. Iterative Methods for Sparse Linear Systems
     Yousef Saad | PWS, Published in 1996
181. Computational Modeling and Mathematics Applied to the Physical Sciences
     | National Academy Press, Published in 1984, 108 pages
182. Trends in Commutative Algebra
     Luchezar L. Avramov, at al. | Cambridge University Press, Published in 2005, 264 pages
183. Algebraic Geometry
     J.S. Milne | , Published in 2008, 241 pages
184. A Topology Primer
     Klaus Wirthmüller | Technische Universität Kaiserslautern, Published in 2002, 197 pages
185. Abstract Set Theory
     Thoralf A. Skolem | University of Notre Dame, Published in 1962, 70 pages
186. Discrete Mathematics
     W W L Chen | Macquarie University, Published in 2008, 125 pages
187. Introduction to the Basics of Heegaard Floer Homology
     Bijan Sahamie | arXiv, Published in 2010, 71 pages
188. Optimal Stopping and Applications
     Thomas S. Ferguson | UCLA, Published in 2008
189. Scientific Computing
     Jeffrey R. Chasnov | Harvey Mudd College, Published in 2013, 152 pages
190. The Millennium Prize Problems
     J. Carlson, A. Jaffe, A. Wiles | American Mathematical Society, Published in 2006, 139 pages
191. Real Variables: With Basic Metric Space Topology
     Robert B. Ash | Institute of Electrical & Electronics Engineering, Published in 2007, 213 pages
192. A Gentle Introduction to the Art of Mathematics
     Joseph Fields | Southern Connecticut State University, Published in 2009, 428 pages
193. Principles of Uncertainty
     Joseph B. Kadane | Chapman and Hall/CRC, Published in 2011, 499 pages
194. On Riemann's Theory of Algebraic Functions and their Integrals
     Felix Klein | Macmillan and Bowes, Published in 1893, 128 pages
195. Computable Integrability
     Alexey Shabat, Elena Kartashova | arXiv, Published in 2011, 174 pages
196. Smarandache Rings
     W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 222 pages
197. Variational Modelling: Energies, gradient flows, and large deviations
     Mark A. Peletier | arXiv, Published in 2014, 64 pages
198. Elliptic Integrals
     Harris Hancock | J. Wiley, Published in 1917, 118 pages
199. Heegner Points and Rankin L-Series
     Henri Darmon, Shou-Wu Zhang | Cambridge University Press, Published in 2004, 382 pages
200. Funny Little Calculus Text
     Robert Ghrist | University of Pennsylvania, Published in 2012, 46 pages
201. Lectures on Lipschitz Analysis
     Juha Heinonen | , Published in 2005, 77 pages
202. Super Linear Algebra
     W. B. V. Kandasamy, F. Smarandache | InfoQuest, Published in 2008, 293 pages
203. Calculus: Early Transcendentals
     David Guichard | Lyryx, Published in 2016, 656 pages
204. Geometric Topology: Localization, Periodicity and Galois Symmetry
     Dennis Sullivan | Springer, Published in 2005, 296 pages
205. An Introduction to Determinants
     William Thomson | , Published in 1882, 122 pages
206. Engineering Analysis
     | Wikibooks, Published in 2012, 193 pages
207. Manifolds and Differential Forms
     Reyer Sjamaar | Cornell University, Published in 2017, 171 pages
208. Business Mathematics: A Textbook
     Edward I. Edgerton, Wallace E. Bartholomew | The Ronald Press Co., Published in 1921, 331 pages
209. The Geometry of the Sphere
     John C. Polking | Rice University, Published in 2000
210. Researches on Curves of the Second Order
     George Whitehead Hearn | Project Gutenberg, Published in 2005, 64 pages
211. Lies, Damned Lies, or Statistics: How to Tell the Truth with Statistics
     Jonathan A. Poritz | Colorado State University, Pueblo, Published in 2017, 143 pages
212. Introduction to Topological Groups
     Dikran Dikranjan | UCM, Published in 2007, 69 pages
213. Optimization and Dynamical Systems
     U. Helmke, J. B. Moore | Springer, Published in 1996, 414 pages
214. Advanced Topics in Probability
     S.R.S. Varadhan | New York University, Published in 2011, 203 pages
215. The Philosophy of Mathematics
     Auguste Comte | Harper & brothers, Published in 1851, 276 pages
216. Relationships, Change and Mathematical Analysis
     Roy McWeeny | Learning Development Institute, Published in 2011, 94 pages
217. Curves and Surfaces in Geometric Modeling: Theory and Algorithms
     Jean Gallier | Morgan Kaufmann, Published in 1999, 502 pages
218. Cook-Book Of Mathematics
     Viatcheslav Vinogradov | CERGE-EI, Published in 1999, 116 pages
219. Applied Finite Mathematics
     Rupinder Sekhon | Connexions, Published in 2011, 347 pages
220. Notes on Differential Geometry
     Matt Visser | Victoria University of Wellington, Published in 2011, 246 pages
221. Lectures On Irregularities Of Distribution
     Wolfgang M. Schmidt | Tata Institute of Fundamental Research, Published in 1977, 137 pages
222. The Theory of Matrices
     C.C. MacDuffee | Chelsea, Published in 1956, 110 pages
223. Introduction to Algebraic Number Theory
     William Stein | University of Washington, Published in 2005, 140 pages
224. Galois Theory
     Miles Reid | University of Warwick, Published in 2004, 89 pages
225. Functional Analysis
     Feng Tian, Palle E.T. Jorgensen | arXiv, Published in 2010, 98 pages
226. Ergodic Optimization, Zero Temperature Limits and the Max-plus Algebra
     A. T. Baraviera, R. Leplaideur, A. O. Lopes | arXiv, Published in 2013, 106 pages
227. Bayesian Spectrum Analysis and Parameter Estimation
     G. Larry Bretthorst | Springer, Published in 1988, 220 pages
228. Jacobi Operators and Complete Integrable Nonlinear Lattices
     Gerald Teschl | American Mathematical Society, Published in 1999, 369 pages
229. Introductory Statistics Notes
     Jamie DeCoster | University of Alabama, Published in 1998, 48 pages
230. Introduction to Real Analysis
     Lee Larson | University of Louisville, Published in 2014, 184 pages
231. First Course in the Theory of Equations
     Leonard E. Dickson | John Wiley & Sons, Published in 1922, 207 pages
232. Notes on Introductory Point-Set Topology
     Allen Hatcher | Cornell University, Published in 2011, 53 pages
233. 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
234. Galois Lectures
     J. Douglas, P. Franklin, C.J. Keyser, L. Infeld | Morrill Press, Published in 1941, 141 pages
235. Topics in Applied Mathematics and Nonlinear Waves
     Per Kristen Jakobsen | arXiv.org, Published in 2019, 321 pages
236. Semi-Riemann Geometry and General Relativity
     Shlomo Sternberg | , Published in 2003, 251 pages
237. Topics in Discrete Mathematics
     A.F. Pixley | Harvey Mudd College, Published in 2010, 173 pages
238. Topology of Stratified Spaces
     Greg Friedman, et al. | Cambridge University Press, Published in 2011, 477 pages
239. Introduction to Vectors and Tensors Volume 2: Vector and Tensor Analysis
     Ray M. Bowen, C.-C. Wang | , Published in 2008, 246 pages
240. Stability, Riemann Surfaces, Conformal Mappings: Complex Functions Theory a-3
     Leif Mejlbro | BookBoon, Published in 2010, 115 pages
241. Real Functions in One Variable: Simple Differential Equations I
     Leif Mejlbro | BookBoon, Published in 2007, 118 pages
242. Lectures on Numerical Analysis
     Dennis Deturck, Herbert S. Wilf | University of Pennsylvania, Published in 2002, 125 pages
243. Natural Topology
     Frank Waaldijk | arXiv, Published in 2012, 174 pages
244. Markov Chains and Mixing Times
     D. A. Levin, Y. Peres, E. L. Wilmer | American Mathematical Society, Published in 2008, 387 pages
245. Mathematical Methods of Engineering Analysis
     Erhan Cinlar, Robert J. Vanderbei | , Published in 2000, 119 pages
246. Encyclopedia of Dynamical Systems
     D. Anosov, at al. | Scholarpedia, Published in 2009
247. Plane and Solid Analytic Geometry
     W. F. Osgood, W. C. Graustein | Macmillan and co., Published in 1921, 651 pages
248. Partial Differential Equations
     Erich Miersemann | Leipzig University, Published in 2012, 205 pages
249. Introduction to Randomness and Statistics
     Alexander K. Hartmann | arXiv, Published in 2009, 95 pages
250. Convex Optimization: Algorithms and Complexity
     Sebastien Bubeck | arXiv.org, Published in 2015, 130 pages
251. Random Matrix Theory, Interacting Particle Systems and Integrable Systems
     Percy Deift, Peter Forrester (eds) | Cambridge University Press, Published in 2014, 528 pages
252. Tabletop: Analog Game Design
     Greg Costikyan, Drew Davidson | , Published in 2011, 206 pages
253. Introduction Probaility and Statistics
     Muhammad El-Taha | University of Southern Maine, Published in 2003, 147 pages
254. Vector Math for 3D Computer Graphics
     Bradley Kjell | Central Connecticut State University, Published in 2003
255. First Course in Statistics
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