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. Discrete Mathematics: An Open Introduction
   Oscar Levin | University of Northern Colorado, Published in 2017, 345 pages
2. Ends of Complexes
   Bruce Hughes, Andrew Ranicki | Cambridge University Press, Published in 2008, 375 pages
3. Lectures on Topics in Stochastic Differential Equations
   Daniel W. Stroock | Tata Institute of Fundamental Research, Published in 1982, 93 pages
4. An Introductory Single Variable Real Analysis
   Marcel B. Finan | Arkansas Tech University, Published in 2009, 179 pages
5. First Year Mathematics
   George W. Evans, John A. Marsh | Charles E. Merrill company, Published in 1916, 268 pages
6. Elementary Topology
   O. Ya. Viro, O. A. Ivanov, N. Yu. Netsvetaev, V. M. Kharlamov | American Mathematical Society, Published in 2008, 400 pages
7. Lectures on Noise Sensitivity and Percolation
   Christophe Garban, Jeffrey E. Steif | arXiv, Published in 2011, 150 pages
8. Mathematics for the Physical Sciences
   Herbert S Wilf | Dover Publications, Published in 1962, 298 pages
9. Introduction to the Theory of Statistics
   A. M. Mood, F. A. Graybill, D. C. Boes | McGraw-Hill, Published in 1974, 577 pages
10. Manifolds
    Neil Lambert | King's College London, Published in 2011, 59 pages
11. Symbolic Tensor Calculus on Manifolds: a SageMath Implementation
    Eric Gourgoulhon, Marco Mancini | arXiv.org, Published in 2018, 72 pages
12. Numerical Methods Course Notes
    Steven E. Pav | University of California at San Diego, Published in 2005, 180 pages
13. The Continuum and Other Types of Serial Order
    Edward V. Huntington | Dover Publications, Published in 1917, 90 pages
14. Introduction to Analytic Number Theory
    A.J. Hildebrand | University of Illinois, Published in 2006, 197 pages
15. Principles of Uncertainty
    Joseph B. Kadane | Chapman and Hall/CRC, Published in 2011, 499 pages
16. Algebraic Logic
    H. Andreka, I. Nemeti, I. Sain | , Published in 2003, 129 pages
17. Recreational Mathematics
    | Wikipedia, Published in 2014
18. A Course of Pure Geometry: Properties of the Conic Sections
    E.H. Askwith | Cambridge University Press, Published in 1917, 314 pages
19. Probability: Theory and Examples
    Rick Durrett | Cambridge University Press, Published in 2010, 372 pages
20. Origami and Geometric Constructions
    Robert J. Lang | , Published in 2003, 55 pages
21. Linear Algebra: Theorems and Applications
    Hassan Abid Yasser (ed.) | InTech, Published in 2012, 250 pages
22. Functors and Categories of Banach Spaces
    Peter W. Michor | Springer, Published in 1978, 103 pages
23. Metrics on the Phase Space and Non-Selfadjoint Pseudo-Differential Operators
    Nicolas Lerner | Birkhäuser, Published in 2009
24. Mathematical Methods of Engineering Analysis
    Erhan Cinlar, Robert J. Vanderbei | , Published in 2000, 119 pages
25. Basic Analysis: Introduction to Real Analysis
    Jiri Lebl | Lulu.com, Published in 2009, 161 pages
26. Numerical Analysis I
    Mark Embree | Rice University, Published in 2012, 207 pages
27. Semi-Riemann Geometry and General Relativity
    Shlomo Sternberg | , Published in 2003, 251 pages
28. A Short Course on Approximation Theory
    N. L. Carothers | Bowling Green State University, Published in 2009, 159 pages
29. Notes on Noncommutative Geometry
    Igor Nikolaev | arXiv, Published in 2015, 309 pages
30. Basic Data Analysis and More: A Guided Tour Using Python
    O. Melchert | arXiv, Published in 2012, 62 pages
31. Lectures on the Geometry of Manifolds
    Liviu I. Nicolaescu | World Scientific Publishing Company, Published in 2009, 570 pages
32. Euclid's Elements
    D.E.Joyce | , Published in 1998
33. Applied Mathematical Programming Using Algebraic Systems
    Bruce A. McCarl, Thomas H. Spreen | Texas A&M University, Published in 2011, 567 pages
34. Lecture Notes on Free Probability
    Vladislav Kargin | arXiv, Published in 2013, 100 pages
35. Homotopy Theories and Model Categories
    W. G. Dwyer, J. Spalinski | University of Notre Dame, Published in 1995, 56 pages
36. Collaborative Statistics
    Barbara Illowsky, Susan Dean | Illowsky Publising, Published in 2012, 728 pages
37. Dynamical Systems and Chaos
    Evans M. Harrell II | , Published in 2000
38. Universal Algebra for Computer Science
    Eric G. Wagner | Wagner Mathematics, Published in 2006
39. Basic Concepts in Modal Logic
    Edward N. Zalta | Stanford University, Published in 2011, 91 pages
40. Introduction to Lie Groups, Adjoint Action and Some Generalizations
    Marcos M. Alexandrino, Renato G. Bettiol | arXiv, Published in 2010, 129 pages
41. Rotations of Vectors Via Geometric Algebra
    James A. Smith | viXra, Published in 2016, 76 pages
42. The Foundations of Analysis
    Larry Clifton | arXiv, Published in 2013, 48 pages
43. Lectures on Exterior Differential Systems
    M. Kuranishi | Tata Institute of Fundamental Research, Published in 1962, 117 pages
44. Statistical Tools for Economists
    Daniel McFadden | University of California, Berkeley, Published in 2001
45. Mathematical Principals of Dynamic Systems and the Foundations of Quantum Physics
    Eric Tesse | arXiv, Published in 2011, 87 pages
46. History of Modern Mathematics
    David Eugene Smith | Columbia University, Published in 1906, 75 pages
47. Formal Logic
    | Wikibooks, Published in 2009
48. Art Gallery Theorems and Algorithms
    Joseph O'Rourke | Oxford University Press, Published in 1987, 296 pages
49. Mathematical Methods for Physical Sciences II
    Christoph Kirsch | University of North Carolina, Published in 2011, 209 pages
50. Fundamentals of High School Mathematics
    Harold O. Rugg, John R. Clark | Yonkers-on-Hudson, N.Y., Published in 1918, 296 pages
51. Analytic Geometry of Space
    V. Snyder, T.P. Hill | H. Holt and Company, Published in 1914, 322 pages
52. Undergraduate Analysis Tools
    Bruce K. Driver | University of California, San Diego, Published in 2013, 186 pages
53. Philosophy and Fun of Algebra
    Mary Everest Boole | C. W. Daniel, Published in 1891, 56 pages
54. Statistics
    | Wikibooks, Published in 2013, 236 pages
55. Calculus and Differential Equations
    John Avery | Learning Development Institute, Published in 2010, 137 pages
56. Infinite-dimensional Lie Algebras
    Iain Gordon | University of Edinburgh, Published in 2009, 55 pages
57. Computer Algebra, Algorithms, Systems and Applications
    Richard Liska, at al. | Czech Technical University, Published in 1996
58. An Introduction to Hilbert Module Approach to Multivariable Operator Theory
    Jaydeb Sarkar | arXiv, Published in 2013, 52 pages
59. Finite Rank Torsion Free Modules Over Dedekind Domains
    E. Lee Lady | University of Hawaii, Published in 1998
60. Graph Theory
    Keijo Ruohonen | Tampere University of Technology, Published in 2008, 114 pages
61. Progress in Commutative Algebra 2: Closures, Finiteness and Factorization
    Christopher Francisco, et al. | De Gruyter Open, Published in 2012, 315 pages
62. Orders of Infinity
    G. H. Hardy | Cambridge University Press, Published in 1910, 101 pages
63. Lectures on Random Polymers
    F. Caravenna, F. den Hollander, N. Petrelis | arXiv, Published in 2011, 74 pages
64. A Basic Course in Applied Mathematics
    J. Bystrom, L. Persson, F. Stromberg | Lulea University of Technology, Published in 2010
65. Exterior Differential Systems
    Robert L. Bryant, et al. | MSRI, Published in 1991, 406 pages
66. A First Course in Linear Algebra: Study Guide for the Undergraduate Linear Algebra Course
    Mohammed Kaabar | , Published in 2015, 130 pages
67. The Elements of the Theory of Algebraic Numbers
    Legh Wilber Reid | The Macmillan company, Published in 1910, 488 pages
68. Problems in Mathematical Analysis
    B. P. Demidovich | MIR Publishers, , 511 pages
69. Exact Sequences in the Algebraic Theory of Surgery
    Andrew Ranicki | Princeton University Press, Published in 1981, 881 pages
70. Lectures on Logarithmic Algebraic Geometry
    Arthur Ogus | University of California, Berkeley, Published in 2006, 255 pages
71. Conformal Fractals: Ergodic Theory Methods
    F. Przytycki, M. Urbanski | Cambridge University Press, Published in 2009, 362 pages
72. Group Theory
    Ferdi Aryasetiawan | University of Lund, Published in 1997, 140 pages
73. Existence, multiplicity, perturbation, and concentration results for a class of quasi-linear elliptic problems
    Marco Squassina | Electronic Journal of Differential Equations, Published in 2006, 213 pages
74. Noncommutative Algebraic Geometry
    Gwyn Bellamy, et al. | Cambridge University Press, Published in 2016, 360 pages
75. Galois Groups and Fundamental Groups
    David Meredith | San Francisco State University, Published in 1999, 89 pages
76. Revealing Statistical Principles
    J.K. Lindsey | Hodder Education Publishers, Published in 1999, 225 pages
77. Category Theory for Computing Science
    Michael Barr, Charles Wells | Prentice Hall, Published in 1998, 544 pages
78. Mathematical Essays and Recreations
    Hermann Schubert | The Open Court Publishing, Published in 1898, 159 pages
79. Abstract Algebra
    J. Mathos, R. Campanha | Wikibooks, Published in 2012
80. Real Functions in One Variable: Calculus 1a
    Leif Mejlbro | BookBoon, Published in 2006, 146 pages
81. Graduate Algebra
    Leonard Evens | Northwestern University, Published in 1999, 160 pages
82. Introduction to Differential Topology, de Rham Theory and Morse Theory
    Michael Muger | Radboud University, Published in 2005, 80 pages
83. Ordinary Differential Equations and Dynamical Systems
    Gerald Teschl | Universitaet Wien, Published in 2009, 297 pages
84. Equivariant Stable Homotopy Theory
    G. Jr. Lewis, J. P. May, M. Steinberger, J. E. McClure | Springer, Published in 1986, 538 pages
85. Elementary Statistical Methods
    Christian Akrong Hesse | ResearchGate GmbH, Published in 2011, 83 pages
86. Introduction to the Numerical Integration of PDEs
    B. Piette | University of Durham, Published in 2004, 89 pages
87. Think Bayes: Bayesian Statistics Made Simple
    Allen B. Downey | Green Tea Press, Published in 2012, 77 pages
88. Introduction to Differential Geometry and General Relativity
    Stefan Waner | , Published in 2005, 138 pages
89. Ordinary Differential Equations
    Wong Yan Loi | National University of Singapore, Published in 2013, 121 pages
90. An Introduction to Tensors for Students of Physics and Engineering
    Joseph C. Kolecki | Glenn Research Center, Published in 2002, 29 pages
91. Numerical Algorithms: Methods for Computer Vision, Machine Learning, and Graphics
    Justin Solomon | CRC Press, Published in 2015, 397 pages
92. Algebra for Beginners
    James Loudon | Copp, Clark & Co, Published in 1876, 172 pages
93. Voting, Arbitration & Fair Division: Mathematics of Social Choice
    Marcus Pivato | Trent University, Published in 2007, 181 pages
94. Collections of Problems on Smarandache Notions
    Charles Ashbacher | Erhus University Press, Published in 1996, 75 pages
95. Homological Methods in Noncommutative Geometry
    D. Kaledin | , Published in 2008, 77 pages
96. Elements of the Differential and Integral Calculus
    William Anthony Granville | Ginn, Published in 1911, 493 pages
97. Digraphs: Theory, Algorithms and Applications
    Jorgen Bang-Jensen, Gregory Gutin | Springer, Published in 2002, 772 pages
98. Robust Geometric Computation
    Kurt Mehlhorn, Chee Yap | New York University, Published in 2004
99. n-Linear Algebra of Type I and Its Applications
    W. B. V. Kandasamy, F. Smarandache | InfoLearnQuest, Published in 2008, 120 pages
100. Dynamics in One Complex Variable
     John Milnor | Princeton University Press, Published in 1991, 146 pages
101. Arithmetic Duality Theorems
     J.S. Milne | BookSurge Publishing, Published in 2006, 347 pages
102. Geometry of 2D Topological Field Theories
     Boris Dubrovin | arXiv, Published in 1994, 204 pages
103. Elliptic Functions and Elliptic Curves
     Jan Nekovar | Institut de Mathematiques de Jussieu, Published in 2004, 175 pages
104. Geometric Complexity Theory: An Introduction for Geometers
     J.M. Landsberg | arXiv, Published in 2013, 38 pages
105. The Encyclopedia of Gambling
     Peter Arnold | Chartwell Books, Published in 1977, 256 pages
106. Engineering Statistics and Quality Control
     Irving W. Burr | McGraw-Hill, Published in 1953
107. Noncommutative Localization in Algebra and Topology
     Andrew Ranicki | Cambridge University Press, Published in 2002, 323 pages
108. Hilbert Space Methods for Partial Differential Equations
     R. E. Showalter | Pitman, Published in 1994, 208 pages
109. Analytic Number Theory: A Tribute to Gauss and Dirichlet
     William Duke, Yuri Tschinkel | American Mathematical Society, Published in 2007, 266 pages
110. OpenIntro Statistics
     D.M. Diez, C.D. Barr, M. Cetinkaya-Rundel | OpenIntro, Published in 2012, 426 pages
111. Probability and Statistics
     | UCLA, Published in 2012
112. forall x: An Introduction to Formal Logic
     P.D. Magnus | , Published in 2008, 160 pages
113. The Geometry of the Sphere
     John C. Polking | Rice University, Published in 2000
114. An Introduction to the Smarandache Function
     Charles Ashbacher | Erhus Univ Pr, Published in 1995, 62 pages
115. A Concise Geometry
     Clement V. Durell | G. Bell And Sons Limited., Published in 1921, 333 pages
116. Intuitive Infinitesimal Calculus
     Viktor Blasjo | Intellectual Mathematics, Published in 2015, 98 pages
117. The Theory of Determinants and Their Applications
     Robert Forsyth Scott | Cambridge University Press, Published in 1904, 308 pages
118. Bernoulli Polynomials and Applications
     Omran Kouba | arXiv, Published in 2013, 48 pages
119. Seeing Theory: A visual introduction to probability and statistics
     T. Devlin, J. Guo, D. Kunin, D. Xiang | Brown University, Published in 2018, 66 pages
120. A Manual of Intensional Logic
     Johan van Benthem | CSLI, Published in 1988, 147 pages
121. Correlation and Causality
     David A. Kenny | John Wiley & Sons Inc, Published in 1979, 353 pages
122. Contact Geometry
     Hansjoerg Geiges | arXiv, Published in 2004, 86 pages
123. Lectures on Quadratic Forms
     C.L. Siegel | Tata Institute of Fundamental Research, Published in 1957, 170 pages
124. Algebraic General Topology
     Victor Porton | Mathematics21.org, Published in 2015, 349 pages
125. Category Theory and Functional Programming
     Mikael Vejdemo-Johansson | University of St. Andrews, Published in 2012, 99 pages
126. Geometric Topology: Localization, Periodicity and Galois Symmetry
     Dennis Sullivan | Springer, Published in 2005, 296 pages
127. Lectures on Torus Embeddings and Applications
     Tadao Oda | Tata Institute of Fundamental Research, Published in 1978, 158 pages
128. Chebyshev and Fourier Spectral Methods
     John P. Boyd | Dover Publications, Published in 2001, 611 pages
129. A Mathematicians Miscellany
     J. E. Littlewood | Methuen And Company Limited, Published in 1953, 152 pages
130. Lectures on Stochastic Differential Equations and Malliavin Calculus
     S. Watanabe | Tata Institute of Fundamental Research, Published in 1984, 113 pages
131. Plane Geometry
     George Wentworth, David E. Smith | Ginn and Company, Published in 1913, 304 pages
132. Decision Making and Productivity Measurement
     Dariush Khezrimotlagh | arXiv, Published in 2016, 214 pages
133. Intermediate Algebra
     Donna Gaudet, et al. | Scottsdale Community College, Published in 2013, 480 pages
134. A Problem Text in Advanced Calculus
     John M. Erdman | Portland State University, Published in 2008, 377 pages
135. Tensor Analysis
     Edward Nelson | Princeton Univ Pr, Published in 1974, 138 pages
136. Lectures on The Riemann Zeta-Function
     K. Chandrasekharan | Tata Institute of Fundamental Research, Published in 1953, 154 pages
137. C*-algebraic Methods in Spectral Theory
     Serge Richard | Nagoya University, Published in 2014, 103 pages
138. Notes on Symmetric Spaces
     Jonathan Holland, Bogdan Ion | arXiv, Published in 2012, 109 pages
139. Symplectic, Poisson, and Noncommutative Geometry
     Tohru Eguchi, et al. | Cambridge University Press, Published in 2014, 290 pages
140. Manifolds and Differential Forms
     Reyer Sjamaar | Cornell University, Published in 2017, 171 pages
141. Surfing on the ocean of numbers
     Henry Ibstedt | Erhus University Press, Published in 1997, 76 pages
142. An Introduction to Lie Group Integrators
     E. Celledoni, H. Marthinsen, B. Owren | arXiv, Published in 2012, 28 pages
143. Geometry of the Quintic
     Jerry Shurman | Wiley-Interscience, Published in 1997, 208 pages
144. Applied and Computational Linear Algebra: A First Course
     Charles L. Byrne | University of Massachusetts Lowell, Published in 2013, 504 pages
145. Nonlinear Partial Differential Equations of Elliptic Type
     Vicentiu Radulescu | arXiv, Published in 2005, 114 pages
146. Combinatorial Theory
     Gian-Carlo Rota | , Published in 1998, 414 pages
147. Handbook of Mathematics for Engineers
     E. V. Huntington, L. A. Fischer | McGraw Hill, Published in 1918, 212 pages
148. A. N. Whitehead's Geometric Algebra
     Stephen Blake | , Published in 2005, 280 pages
149. An Introduction to Noncommutative Spaces and their Geometry
     Giovanni Landi | arXiv, Published in 1997, 186 pages
150. Group Theory: Birdtracks, Lie's, and Exceptional Groups
     Predrag Cvitanovic | Princeton University Press, Published in 2008, 285 pages
151. Linear Algebra
     David Cherney, Tom Denton, Andrew Waldron | UC Davis, Published in 2013, 410 pages
152. Finite Group Representations for the Pure Mathematician
     Peter Webb | University of Minnesota, Published in 2007, 183 pages
153. Algebraic and Geometric Surgery
     Andrew Ranicki | Oxford University Press, Published in 2002, 380 pages
154. Theory and Applications of Finite Groups
     G. A. Miller, H. F. Blichfeldt, L. E. Dickson | J. Wiley, Published in 1916, 424 pages
155. Logic for Computer Science
     | Wikibooks, Published in 2010
156. Concepts and Applications of Inferential Statistics
     Richard Lowry | , Published in 2008, 366 pages
157. Lectures On Some Fixed Point Theorems Of Functional Analysis
     F.F. Bonsall | Tata Institute Of Fundamental Research, Published in 1962, 147 pages
158. An introduction to Algebra and Topology
     Pierre Schapira | University of Luxemburg, Published in 2012, 78 pages
159. Plane and Spherical Trigonometry
     Elmer A. Lyman, Edwin C. Goddard | Allyn and Bacon, Published in 1900, 157 pages
160. Foundations of Constructive Probability Theory
     Yuen-Kwok Chan | arXiv.org, Published in 2019, 517 pages
161. Topics in topology: The signature theorem and some of its applications
     Liviu I. Nicolaescu | University of Notre Dame, Published in 2008, 159 pages
162. Foundations of Infinitesimal Calculus
     H. Jerome Keisler | University of Wisconsin, Published in 2011, 213 pages
163. Introduction to Categories and Categorical Logic
     Samson Abramsky, Nikos Tzevelekos | arXiv, Published in 2011, 101 pages
164. The Elements of Solid Geometry
     William C. Bartol | Leach, Shewell & Sanborn, Published in 1893, 112 pages
165. Sam Loyd's Cyclopedia of 5000 Puzzles tricks and Conundrums
     Sam Loyd | The Lamb Publishing Company, Published in 1914, 194 pages
166. Lecture Notes in Lie Groups
     Vladimir G. Ivancevic, Tijana T. Ivancevic | arXiv, Published in 2011, 74 pages
167. The Place of Partial Differential Equations in Mathematical Physics
     Ganesh Prasad | Patna University, Published in 1924, 64 pages
168. Notes on Numerical Linear Algebra
     George Benthien | , Published in 2006, 72 pages
169. 18 Lectures on K-Theory
     Ioannis P. Zois | arXiv, Published in 2010, 137 pages
170. Mathematics and Biology: The Interface, Challenges, and Opportunities
     Simon A. Levin | , Published in 2008
171. Foundations of Descriptive and Inferential Statistics
     Henk van Elst | arXiv, Published in 2013, 144 pages
172. The CRing Project: a collaborative open source textbook on commutative algebra
     Shishir Agrawal, et al. | CRing Project, Published in 2011, 493 pages
173. Topics in Real and Functional Analysis
     Gerald Teschl | Universitaet Wien, Published in 2016, 486 pages
174. Probability and Theory of Errors
     Robert Simpson Woodward | J. Wiley & Sons, Published in 1906, 64 pages
175. Smarandache Rings
     W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 222 pages
176. Probability
     Douglas Kennedy | Trinity College, Published in 2010, 78 pages
177. Euclid's 'Elements' Redux
     Daniel Callahan | starrhorse.com, Published in 2014, 359 pages
178. Computational Modeling and Mathematics Applied to the Physical Sciences
     | National Academy Press, Published in 1984, 108 pages
179. The Theory Of Integration
     L. C. Young | Cambridge University Press, Published in 1927, 69 pages
180. Elementary Linear Algebra
     Kenneth Kuttler | The Saylor Foundation, Published in 2012, 433 pages
181. Linear Algebra
     Paul Dawkins | Lamar University, Published in 2011, 331 pages
182. Understanding Algebra
     James W. Brennan | , Published in 2011, 106 pages
183. Geometric Models for Noncommutative Algebra
     Ana Cannas da Silva, Alan Weinstein | University of California at Berkeley, Published in 1998, 194 pages
184. Nonstandard Analysis
     J. Ponstein | , Published in 2002, 147 pages
185. Advanced Calculus
     Lynn H. Loomis, Shlomo Sternberg | Jones and Bartlett Publishers, Published in 1989, 592 pages
186. The K-book: An introduction to algebraic K-theory
     Charles Weibel | Rutgers, Published in 2010
187. Notes on Diffy Qs: Differential Equations for Engineers
     Jiří Lebl | Lulu.com, Published in 2017, 371 pages
188. Interval Groupoids
     W. B. V. Kandasamy, F. Smarandache, M. K. Chetry | arXiv, Published in 2010, 240 pages
189. Finite Difference Computing with PDEs
     Hans Petter Langtangen, Svein Linge | Springer, Published in 2017, 507 pages
190. An Introduction to Probability and Random Processes
     Gian-Carlo Rota, Kenneth Baclawski | , Published in 1979, 467 pages
191. Smarandache Loops
     W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 129 pages
192. Elementary Set Theory with a Universal Set
     Randall Holmes | , Published in 2005, 240 pages
193. Lectures on Shimura Varieties
     A. Genestier, B.C. Ngo | , Published in 2006, 50 pages
194. Calculus 1: Course
     Peter Saveliev | Intelligent Perception, Published in 2010
195. Lectures on Sieve Methods and Prime Number Theory
     Y. Motohashi | Tata Institute of Fundamental Research, Published in 1983, 181 pages
196. Tabletop: Analog Game Design
     Greg Costikyan, Drew Davidson | , Published in 2011, 206 pages
197. An Introduction to Microlocal Analysis
     Richard B. Melrose, Gunther Uhlmann | MIT, Published in 2008, 182 pages
198. Computational Category Theory
     D.E. Rydeheard, R.M. Burstall | , Published in 2001, 263 pages
199. Essentials of Statistics
     David Brink | BookBoon, Published in 2008, 102 pages
200. Inner Algebra
     Aaron Maxwell | Lulu.com, Published in 2005, 94 pages
201. CK-12 Algebra I
     Andrew Gloag, Anne Gloag | CK-12 Basic Algebra Concepts, Published in 2010, 825 pages
202. College Trigonometry
     Carl Stitz, Jeff Zeager | Stitz Zeager Open Source Mathematics, Published in 2013, 398 pages
203. Applied Analysis
     I.M. Sigal, M. Merkli | University of Toronto, Published in 2001, 176 pages
204. Mathematical Physics II
     Boris Dubrovin | SISSA, Published in 2008, 78 pages
205. Current Topics in Complex Algebraic Geometry
     Herbert Clemens, János Kollár | Cambridge University Press, Published in 1996, 172 pages
206. An Introduction to Complex Algebraic Geometry
     Chris Peters | Institut Fourier Grenoble, Published in 2004, 129 pages
207. Noncommutative Rings
     Michael Artin | , Published in 1999, 103 pages
208. Introduction to Commutative Algebra
     Thomas J. Haines | University of Maryland, Published in 2005, 87 pages
209. Foundations in Statistical Reasoning
     Pete Kaslik | , Published in 2018, 310 pages
210. Calculus Unlimited
     Jerrold E. Marsden, A. Weinstein | Benjamin-Cummings Publishing Co., Published in 1981, 246 pages
211. Topics in Geometry
     John O'Connor | University of St Andrews, Published in 2003
212. Handbook of Modal Logic
     Patrick Blackburn, Johan van Benthem, Frank Wolter | , Published in 2006, 1260 pages
213. Notes on Automorphic Functions
     Anders Thorup | Kobenhavns Universitet, Published in 1995, 186 pages
214. Essentials of Statistics: Exercises
     David Brink | BookBoon, Published in 2008, 58 pages
215. The Algebra of Logic
     Louis Couturat | Project Gutenberg, Published in 2004, 102 pages
216. A Gentle Introduction to Tensors
     Boaz Porat | Technion, Published in 2010, 87 pages
217. The Theory of Numbers
     R. D. Carmichael | John Wiley & Sons, Published in 1914, 85 pages
218. Causal Inference
     Miguel A. Hernan, James M. Robins | Chapman & Hall/CRC, Published in 2015, 352 pages
219. Homological Conjectures
     Tom Marley, Laura Lynch | University of Nebraska - Lincoln, Published in 2010, 56 pages
220. A First Course in Linear Algebra
     Ken Kuttler | Lyryx, Published in 2017, 608 pages
221. Analytical Geometry for Beginners
     Alfred Baker | W. J. Gage, Published in 1905, 234 pages
222. Invitation to Dynamical Systems
     Edward R. Scheinerman | Prentice Hall College Div, Published in 2000, 384 pages
223. Lectures on the Algebraic Theory of Fields
     K.G. Ramanathan | Tata Institute of Fundamental Research, Published in 1956, 228 pages
224. Algebra: Abstract and Concrete
     Frederick M. Goodman | Semisimple Press, Published in 2015, 587 pages
225. Statistics Review: Including a probability theory background
     | Wikipedia, Published in 2014
226. Trends in Commutative Algebra
     Luchezar L. Avramov, at al. | Cambridge University Press, Published in 2005, 264 pages
227. Statistics, Probability, and Game Theory: papers in honor of David Blackwell
     David Blackwell, at al. | IMS, Published in 1996, 407 pages
228. Introduction to Dynamical Systems: A Hands-on Approach with Maxima
     Jaime E. Villate | , Published in 2006, 43 pages
229. Introduction to Mathematical Analysis
     B. Lafferriere, G. Lafferriere, N. Mau Nam | Portland State University Library, Published in 2015, 141 pages
230. Statistical Treatment of Experimental Data
     Hugh D. Young | McGraw Hill, Published in 1962
231. Logics of Time and Computation
     Robert Goldblatt | Center for the Study of Language, Published in 1992, 200 pages
232. Algorithmic Number Theory
     J.P. Buhler, P. Stevenhagen | Cambridge University Press, Published in 2008, 662 pages
233. Graphical Calculus
     Arthur Henry Barker | Longmans, Green, and Co., Published in 1896, 188 pages
234. Differential Equations
     William Woolsey Johnson | J. Wiley, Published in 1906, 96 pages
235. Numerical Methods for Large Eigenvalue Problems
     Yousef Saad | SIAM, Published in 2011, 285 pages
236. Varieties of Lattices
     Peter Jipsen, Henry Rose | Springer, Published in 1992, 168 pages
237. 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
238. Yet Another Calculus Text
     Dan Sloughter | , Published in 2007, 147 pages
239. Basic Math Quick Reference Handbook
     Peter J. Mitas | Quick Reference Handbooks, Published in 2009, 83 pages
240. On Some of Smarandache's Problems
     Krassimir Atanassov | Erhus Univ Pr, Published in 1999, 89 pages
241. Introductory Mathematical Analysis
     W.P. Webber, L.C. Plant | John Wiley & sons, Published in 1919, 332 pages
242. The Algebraic Theory of Modular Systems
     Francis Sowerby Macaulay | Cambridge University Press, Published in 1916, 140 pages
243. Theory of Probability: A Historical Essay
     Oscar Sheynin | arXiv.org, Published in 2017, 316 pages
244. Linear Mathematics In Infinite Dimensions
     U. H. Gerlach | The Ohio State University, Published in 2015, 507 pages
245. Symmetry Groups and Their Applications
     Willard Miller | Academic Press, Published in 1972
246. Model Theory
     Stephen G. Simpson | The Pennsylvania State University, Published in 1998, 127 pages
247. Multivariable Calculus: Applications and Theory
     Kenneth Kuttler | Brigham Young University, Published in 2011, 466 pages
248. Matrices
     Shmuel Friedland | University of Illinois at Chicago, Published in 2010, 437 pages
249. Multivariable Calculus
     George Cain, James Herod | , Published in 1997
250. Probability and Statistics for Geophysical Processes
     D. Koutsoyiannis | National Technical University of Athens, Published in 2008, 161 pages
251. A First Course in Topology: Continuity and Dimension
     John McCleary | American Mathematical Society, Published in 2006, 210 pages
252. Essential Mathematics
     Franco Vivaldi | , Published in 2006, 74 pages
253. Iterative Methods for Sparse Linear Systems
     Yousef Saad | PWS, Published in 1996
254. The Convenient Setting of Global Analysis
     Andreas Kriegl, Peter W. Michor | American Mathematical Society, Published in 1997, 624 pages
255. Tunneling Through the Math Barrier
     William J. Meese | arXiv.org, Published in 2018, 187 pages
256. Lectures on Sieve Methods
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