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. Course of Differential Geometry
   Ruslan Sharipov | Samizdat Press, Published in 2004, 132 pages
2. Dynamical Systems
   Shlomo Sternberg | OER Commons, Published in 2000, 151 pages
3. Reversibility and Stochastic Networks
   F.P. Kelly | John Wiley and Sons Ltd, Published in 1979, 233 pages
4. Indian Mathematics
   G. R. Kaye | Thacker, Spink & Co., Published in 1915, 102 pages
5. Galois Groups and Fundamental Groups
   Leila Schneps | Cambridge University Press, Published in 2003, 467 pages
6. Complex Manifolds and Hermitian Differential Geometry
   Andrew D. Hwang | University of Toronto, Published in 1997, 113 pages
7. Elliptic Functions and Elliptic Curves
   Jan Nekovar | Institut de Mathematiques de Jussieu, Published in 2004, 175 pages
8. Algebraic Geometry
   Andreas Gathmann | University of Kaiserslautern, Published in 2014, 133 pages
9. Category Theory Lecture Notes
   Daniele Turi | University of Edinburgh, Published in 2001, 61 pages
10. First Course in Statistics
    D Caradog Jones | G Bell, Published in 1921, 288 pages
11. The Elements of the Theory of Algebraic Numbers
    Legh Wilber Reid | The Macmillan company, Published in 1910, 488 pages
12. Category Theory for Scientists
    David I. Spivak | arXiv, Published in 2013, 261 pages
13. Functions Of A Complex Variable with Applications
    E. G. Phillips | Oliver And Boyd, Published in 1961, 160 pages
14. Lectures On Galois Cohomology of Classical Groups
    M. Kneser | Tata Institute of Fundamental Research, Published in 1969, 212 pages
15. 18 Lectures on K-Theory
    Ioannis P. Zois | arXiv, Published in 2010, 137 pages
16. Toposes, Triples and Theories
    Michael Barr, Charles Wells | Springer-Verlag, Published in 2005, 302 pages
17. Basic Category Theory
    Jaap van Oosten | University of Utrecht, Published in 2007, 88 pages
18. Introduction to Applied Linear Algebra: Vectors, Matrices and Least Squares
    Stephen Boyd, Lieven Vandenberghe | Cambridge University Press, Published in 2018, 473 pages
19. Algebra: Abstract and Concrete
    Frederick M. Goodman | Semisimple Press, Published in 2015, 587 pages
20. Notes on Galois Theory
    Mark Reeder | Boston College, Published in 2012, 66 pages
21. Statistical Treatment of Experimental Data
    Hugh D. Young | McGraw Hill, Published in 1962
22. Residuals and Influence in Regression
    R. Dennis Cook, Sanford Weisberg | Chapman & Hall, Published in 1982, 240 pages
23. Calculus and Linear Algebra. Vol. 2
    Wilfred Kaplan, Donald J. Lewis | University of Michigan Library, Published in 2007, 606 pages
24. Quick Tour of the Topology of R
    StevenHurder, DaveMarker | University of Illinois at Chicago, Published in 2003, 48 pages
25. Vedic Mathematics
    W. B. Kandasamy, F. Smarandache | Automaton, Published in 2006, 220 pages
26. Statistics, Probability, and Game Theory: papers in honor of David Blackwell
    David Blackwell, at al. | IMS, Published in 1996, 407 pages
27. Linear Algebra
    Benjamin McKay | University College Cork, Published in 2008, 491 pages
28. Logic for Computer Scientists
    Uli Furbach | Wikibooks, Published in 2010
29. An Introduction to Probability and Random Processes
    Gian-Carlo Rota, Kenneth Baclawski | , Published in 1979, 467 pages
30. High-dimensional Knot Theory
    Andrew Ranicki | Springer, Published in 1998, 693 pages
31. OpenIntro Statistics
    D.M. Diez, C.D. Barr, M. Cetinkaya-Rundel | OpenIntro, Published in 2012, 426 pages
32. Music: A Mathematical Offering
    Dave Benson | Cambridge University Press, Published in 2006, 530 pages
33. An Introduction to Stochastic PDEs
    Martin Hairer | arXiv, Published in 2009, 78 pages
34. Ends of Complexes
    Bruce Hughes, Andrew Ranicki | Cambridge University Press, Published in 2008, 375 pages
35. Mathematics for Algorithm and Systems Analysis
    Edward A. Bender, S. Gill Williamson | Dover Publications, Published in 2005, 256 pages
36. An Elementary Treatise on Conic Sections
    Charles Smith | The Macmillan Company, Published in 1905, 378 pages
37. Functors and Categories of Banach Spaces
    Peter W. Michor | Springer, Published in 1978, 103 pages
38. Metrics on the Phase Space and Non-Selfadjoint Pseudo-Differential Operators
    Nicolas Lerner | Birkhäuser, Published in 2009
39. Famous Problems of Elementary Geometry
    Felix Klein | Ginn and Co., Published in 1897, 108 pages
40. Mixed Motives
    Marc Levine | American Mathematical Society, Published in 1998, 523 pages
41. Languages and Machines
    C. D. H. Cooper | Macquarie University, Published in 2008
42. Lectures On Irregularities Of Distribution
    Wolfgang M. Schmidt | Tata Institute of Fundamental Research, Published in 1977, 137 pages
43. Calculus Without Limits
    John C. Sparks | Sparrow Hawk Treasures, Published in 2008, 344 pages
44. Introduction to Complex Analysis
    W W L Chen | Macquarie University, Published in 2003, 194 pages
45. Essentials of Statistics: Exercises
    David Brink | BookBoon, Published in 2008, 58 pages
46. Elements of Applied Mathematics
    Cobb Herbert E. | Ginn and Company, Published in 1911, 292 pages
47. Programming for Computations - Python
    Svein Linge, Hans Petter Langtangen | Springer, Published in 2016, 232 pages
48. An Introduction to Riemannian Geometry
    Sigmundur Gudmundsson | Lund University, Published in 2010, 106 pages
49. Optimization Models For Decision Making
    Katta G. Murty | Springer, Published in 2010, 482 pages
50. Introduction to Partial Differential Equations
    Valeriy Serov | University of Oulu, Published in 2011, 122 pages
51. Analytic geometry for colleges, universities, and technical schools
    E.W. Nichols | Leach, Shewell & Sanborn, Published in 1892, 304 pages
52. Grassmann Algebra
    John Browne | , Published in 2001, 238 pages
53. Categories and Homological Algebra
    Pierre Schapira | UPMC, Published in 2011, 125 pages
54. Introduction to Differential Equations
    Jeffrey R. Chasnov | The Hong Kong University of Science &Technology, Published in 2010, 126 pages
55. Applied Analysis
    I.M. Sigal, M. Merkli | University of Toronto, Published in 2001, 176 pages
56. An Introduction to Modular Forms
    Henri Cohen | arXiv.org, Published in 2018, 58 pages
57. A Brief Course in the Calculus
    William Cain | D. Van Norstrand company, Published in 1905, 298 pages
58. The Place of Partial Differential Equations in Mathematical Physics
    Ganesh Prasad | Patna University, Published in 1924, 64 pages
59. Algebraic Geometry
    J.S. Milne | , Published in 2008, 241 pages
60. Nonstandard Analysis
    J. Ponstein | , Published in 2002, 147 pages
61. Introduction to Analytic Number Theory
    A.J. Hildebrand | University of Illinois, Published in 2006, 197 pages
62. Inverse Problems and Applications: Inside Out II
    Gunther Uhlmann (ed.) | Cambridge University Press, Published in 2013, 580 pages
63. Mathematics for Computer Science
    Eric Lehman, F Thomson Leighton, Albert R Meyer | MIT, Published in 2010, 557 pages
64. Tensors and Relativity
    Peter Dunsby | , Published in 2004, 203 pages
65. An Introduction to Higher Mathematics
    Patrick Keef, David Guichard, Russ Gordon | Whitman College, Published in 2010, 144 pages
66. Frobenius Splitting in Commutative Algebra
    Karen E. Smith, Wenliang Zhang | arXiv, Published in 2014, 53 pages
67. Introductory Statistics
    T. H. Wonnacott, R. J. Wonnacott | Wiley, Published in 1969, 416 pages
68. Basic Arithmetic Student Workbook
    Donna Gaudet, Amy Volpe, Jenifer Bohart | Scottsdale Community College, Published in 2013, 244 pages
69. College Algebra
    Carl Stitz, Jeff Zeager | , Published in 2013, 716 pages
70. A defense of Columbo: A multilevel introduction to probabilistic reasoning
    G. D'Agostini | arXiv, Published in 2010, 60 pages
71. Universal Optimization and Its Application
    Alexander Bolonkin | viXra.org, Published in 2017, 161 pages
72. Applied Mathematical Programming
    S. Bradley, A. Hax, T. Magnanti | Addison-Wesley, Published in 1977, 716 pages
73. Comments and topics on Smarandache notions and problems
    Kenichiro Kashihara | Erhus University Press, Published in 1996, 50 pages
74. Games of No Chance 3
    Michael H. Albert, Richard J. Nowakowski | Cambridge University Press, Published in 2009, 586 pages
75. Four-manifolds, Geometries and Knots
    Jonathan Hillman | arXiv, Published in 2009, 396 pages
76. Elementary Differential Equations with Boundary Value Problems
    William F. Trench | Brooks Cole, Published in 2013, 807 pages
77. Computational and Algorithmic Linear Algebra and n-Dimensional Geometry
    Katta G. Murty | , Published in 2001, 554 pages
78. The Craft of Fractional Modelling in Science and Engineering
    Jordan Hristov (ed.) | MDPI AG, Published in 2018, 140 pages
79. Differential Calculus for Beginners
    Alfred Lodge | Deighton, Bell, & Co., Published in 1905, 322 pages
80. Lectures On Approximation By Polynomials
    J.G. Burkill | Tata Institute of Fundamental Research, Published in 1959, 75 pages
81. Iterative Methods for Optimization
    C.T. Kelley | Society for Industrial Mathematics, Published in 1987, 188 pages
82. Learning Statistics with R
    Daniel Navarro | University of Adelaide, Published in 2014, 564 pages
83. Spherical Harmonics in p Dimensions
    Christopher Frye, Costas J. Efthimiou | arXiv, Published in 2012, 95 pages
84. Lectures on Cyclic Homology
    D. Husemoller | Tata Institute of Fundamental Research, Published in 1991, 114 pages
85. Projective Differential Geometry Of Curves And Surfaces
    Ernest Preston Lane | The University Of Chicago Press, Published in 1932, 344 pages
86. Geometrical Theory of Dynamical Systems
    Nils Berglund | arXiv, Published in 2001, 85 pages
87. Modular Forms, Hecke Operators, and Modular Abelian Varieties
    Kenneth A. Ribet, William A. Stein | University of Washington, Published in 2003, 154 pages
88. Probabilistic Programming and Bayesian Methods for Hackers
    Cameron Davidson-Pilon | GitHub, Inc., Published in 2013
89. Real Analysis
    A. M. Bruckner, J. B. Bruckner, B. S. Thomson | Prentice Hall, Published in 1997, 713 pages
90. The Encyclopedia of Gambling
    Peter Arnold | Chartwell Books, Published in 1977, 256 pages
91. Introduction to Homological Geometry
    Martin A. Guest | arXiv, Published in 2001
92. Current Developments in Algebraic Geometry
    Lucia Caporaso, et al. | Cambridge University Press, Published in 2012, 438 pages
93. Category Theory for Programmers
    Bartosz Milewski | unglue.it, Published in 2017, 510 pages
94. Complex Geometry of Nature and General Relativity
    Giampiero Esposito | arXiv, Published in 1999, 229 pages
95. Recreations in Mathematics
    H E. Licks | D. Van Nostrand Company, Published in 1917, 163 pages
96. Lectures on The Riemann Zeta-Function
    K. Chandrasekharan | Tata Institute of Fundamental Research, Published in 1953, 154 pages
97. Street-Fighting Mathematics
    Sanjoy Mahajan | The MIT Press, Published in 2010, 153 pages
98. Galois Lectures
    J. Douglas, P. Franklin, C.J. Keyser, L. Infeld | Morrill Press, Published in 1941, 141 pages
99. Engineering Statistics Handbook
    | NIST/SEMATECH, Published in 2003
100. Applied Combinatorics
     Mitchel T. Keller, William T. Trotter | Georgia Institute of Technology, Published in 2013, 345 pages
101. Proofs in Mathematics
     Alexander Bogomolny | Interactive Mathematics Miscellany and Puzzles, Published in 2013, 272 pages
102. Think Stats: Probability and Statistics for Programmers
     Allen B. Downey | Green Tea Press, Published in 2011, 122 pages
103. Everything Maths: Grade 11 Mathematics
     Neels van der Westhuizen, et al. | Siyavula, Published in 2012, 238 pages
104. Global Theory Of Minimal Surfaces
     David Hoffman | American Mathematical Society, Published in 2005, 808 pages
105. Irrational Numbers and Their Representation by Sequences and Series
     Henry Parker Manning | J. Wiley & sons, Published in 1906, 156 pages
106. Set Theoretic Real Analysis
     Krzysztof Ciesielski | Heldermann Verlag, Published in 1997, 48 pages
107. Coordinate Geometry
     Henry B. Fine, Henry D. Thompson | The MacMillan Company, Published in 1911, 318 pages
108. Elementary Geometry: Practical and Theoretical
     C. Godfrey, A. W. Siddons | Cambridge University Press, Published in 1919, 438 pages
109. Partial Differential Equations: An Introduction
     A.D.R. Choudary, Saima Parveen, Constantin Varsan | arXiv, Published in 2010, 208 pages
110. A Treatise on the Theory of Invariants
     Oliver E. Glenn | Project Gutenberg, Published in 2006, 221 pages
111. Floer Homology, Gauge Theory, and Low Dimensional Topology
     David Ellwood, at al. | American Mathematical Society, Published in 2006, 314 pages
112. An Introduction to Set Theory
     William A. R. Weiss | University of Toronto, Published in 2008, 119 pages
113. Elementary Abstract Algebra: Examples and Applications
     Justin Hill, Chris Thron | Texas A&M University, Published in 2017, 785 pages
114. Notes on Differential Geometry
     Noel J. Hicks | Van Nostrand, Published in 1965, 183 pages
115. An Introduction to the Theory of Numbers
     Leo Moser | The Trillia Group, Published in 2007, 95 pages
116. Periodic Solutions for Evolution Equations
     Mihai Bostan | American Mathematical Society, Published in 2002, 41 pages
117. An Introduction to Mathematics
     A. N. Whitehead | Williams & Northgate, Published in 1911, 274 pages
118. Proofs and Types
     J. Girard, Y. Lafont, P. Taylor | Cambridge University Press, Published in 1989, 183 pages
119. Statistical Theory
     Ryan Martin | University of Illinois at Chicago, Published in 2015, 117 pages
120. Calculus II
     Paul Dawkins | Lamar University, Published in 2011, 380 pages
121. Exterior Differential Systems
     Robert L. Bryant, et al. | MSRI, Published in 1991, 406 pages
122. Real Functions in One Variable: Examples of Integrals
     Leif Mejlbro | BookBoon, Published in 2007, 154 pages
123. Applied Discrete Structures
     Al Doerr, Ken Levasseur | Lulu.com, Published in 2013, 496 pages
124. General Topology
     Jesper M. Moller | , Published in 2010, 75 pages
125. Graduate Algebra
     Leonard Evens | Northwestern University, Published in 1999, 160 pages
126. Lectures on Sheaf Theory
     C.H. Dowker | Tata Institute of Fundamental Research, Published in 1957, 201 pages
127. Projective Geometry
     Nigel Hitchin | , Published in 2003
128. Numerical Recipes in Fortran 90
     William H. Press, at al. | Cambridge University Press, Published in 1996, 500 pages
129. Logic for Computer Science
     Jean H. Gallier | Longman Higher Education, Published in 1986, 528 pages
130. The Axiomatic Method
     L. Henkin, P. Suppes, A. Tarski | North Holland Publishing Company, Published in 1959, 508 pages
131. Analytic Geometry and Principles of Algebra
     A. Ziwet, L.A. Hopkins, E.R. Hedrick | The Macmillan Company, Published in 1913, 398 pages
132. Random Matrix Theory, Interacting Particle Systems and Integrable Systems
     Percy Deift, Peter Forrester (eds) | Cambridge University Press, Published in 2014, 528 pages
133. Mathematical Methods for Economic Theory: a tutorial
     Martin J. Osborne | University of Toronto, Published in 2007, 301 pages
134. A Gentle Introduction to Tensors
     Boaz Porat | Technion, Published in 2010, 87 pages
135. Real Analysis
     Martin Smith-Martinez, et al. | Wikibooks, Published in 2013
136. Roots of a Compact Lie Group
     Kristopher Tapp | arXiv, Published in 2009, 39 pages
137. Numerical Methods For Time Dependent Equations
     P. Lascaux | Tata Institute of Fundamental Research, Published in 1976, 162 pages
138. Basic Analysis Gently Done: Topological Vector Spaces
     Ivan F. Wilde | King's College, London, Published in 2010, 129 pages
139. Operator Algebras and Quantum Statistical Mechanics
     Ola Bratteli, Derek W. Robinson | Springer, Published in 2003, 505 pages
140. An Introduction to K-theory
     Eric M. Friedlander | , Published in 2007, 78 pages
141. Smarandache Rings
     W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 222 pages
142. Introduction to Groups, Invariants and Particles
     Frank W. K. Firk | Orange Grove Texts Plus, Published in 2000, 162 pages
143. Introduction to Matrix Algebra
     Autar K Kaw | University of South Florida, Published in 2002
144. Applied Mathematics by Example
     Jeremy Pickles | BookBoon, Published in 2010
145. Abstract Algebra Done Concretely
     Donu Arapura | Purdue University, Published in 2004, 103 pages
146. Proof, Sets, and Logic
     M. Randall Holmes | Boise State University, Published in 2009, 207 pages
147. Calculus, Applications and Theory
     Kenneth Kuttler | , Published in 2008, 912 pages
148. Abstract Algebra: Theory and Applications
     Thomas Judson | Virginia Commonwealth University Mathematics, Published in 2009, 428 pages
149. 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
150. Combinatorics and Algebra of Tensor Calculus
     Sen Hu, Xuexing Lu, Yu Ye | arXiv, Published in 2015, 88 pages
151. Elementary Real Analysis
     B. S. Thomson, J. B. Bruckner, A. M. Bruckner | Prentice Hall, Published in 2001, 735 pages
152. A Gentle Introduction to the Art of Mathematics
     Joseph Fields | Southern Connecticut State University, Published in 2009, 428 pages
153. Mathematics for Engineers
     William Neville Rose | Chapman, Published in 1922
154. An Introduction to Gaussian Geometry
     Sigmundur Gudmundsson | Lund University, Published in 2009, 75 pages
155. Notes on Measure and Integration
     John Franks | arXiv, Published in 2009, 118 pages
156. Lectures on Holomorphic Functions of Several Complex Variables
     Piotr Jakobczak, Marek Jarnicki | Jagiellonian University, Published in 2001, 149 pages
157. Elements of Abstract and Linear Algebra
     Edwin H. Connell | , Published in 2004, 146 pages
158. Functional Differential Geometry
     Gerald Jay Sussman, Jack Wisdom | MIT, Published in 2005, 77 pages
159. Sets, Groups and Knots
     Curtis T. McMullen | Harvard University, Published in 2008, 56 pages
160. Extracting Information from Random Data
     Pawel J. Szablowski | arXiv, Published in 2016, 167 pages
161. A First Course in Elementary Differential Equations
     Marcel B. Finan | Arkansas Tech University, Published in 2006, 213 pages
162. The Geometry and Topology of Three-Manifolds
     William P Thurston | Mathematical Sciences Research Institute, Published in 2002, 502 pages
163. Combinatorial and Computational Geometry
     J. E. Goodman, J. Pach, E. Welzl | Cambridge University Press, Published in 2007, 616 pages
164. New Frontiers in Graph Theory
     Yagang Zhang (ed.) | InTech, Published in 2012, 526 pages
165. A Course in Universal Algebra
     S. Burris, H.P. Sankappanavar | Springer-Verlag, Published in 1982, 331 pages
166. Functional and Structured Tensor Analysis for Engineers
     R. M. Brannon | The University of Utah, Published in 2003, 323 pages
167. Reasonable Basic Algebra
     Alain Schremmer | , Published in 2008, 272 pages
168. Archimedes
     Thomas Little Heath | , Published in 1920, 76 pages
169. Basic Data Analysis and More: A Guided Tour Using Python
     O. Melchert | arXiv, Published in 2012, 62 pages
170. Algebraic Tools for Modal Logic
     Mai Gehrke, Yde Venema | ESSLLI, Published in 2001, 109 pages
171. Trigonometry for Beginners
     J. B. Lock | The MacMillan Company, Published in 1896, 236 pages
172. How To Write Proofs
     Larry W. Cusick | California State University, Fresno, Published in 2009
173. Just the Maths
     A. J. Hobson | , Published in 2002, 1296 pages
174. Brief Calculus
     Benjamin Crowell | , Published in 2015, 207 pages
175. Topics in Geometry
     John O'Connor | University of St Andrews, Published in 2003
176. Jordan Operator Algebras
     Harald Hanche-Olsen, Erling Størmer | Pitman, Published in 1984, 216 pages
177. A Course Of Differential Geometry
     John Edward Campbell | Clarendon Press, Published in 1926, 288 pages
178. Metric and Topological Spaces
     T. W. Körner | University of Cambridge, Published in 2014, 109 pages
179. Applied Analysis
     J. Hunter, B. Nachtergaele | World Scientific Publishing Company, Published in 2005, 439 pages
180. A Summary of Calculus
     Karl Heinz Dovermann | University of Hawaii, Published in 2003, 164 pages
181. Essentials of Statistics
     David Brink | BookBoon, Published in 2008, 102 pages
182. APEX Calculus
     Gregory Hartman, et al. | APEXcalculus.com, Published in 2015, 874 pages
183. The Calculus
     William V. Smith | Brigham Young University, Published in 2001, 144 pages
184. Lectures on Birational Geometry
     Caucher Birkar | arXiv, Published in 2012, 85 pages
185. Calculus for Mathematicians, Computer Scientists, and Physicists
     Andrew D. Hwang | Holy Cross, Published in 1998, 487 pages
186. Notes on Fermionic Fock Space for Number Theorists
     Greg W. Anderson | The University of Arizona, Published in 2000, 99 pages
187. Discrete Optimization
     Guido Schaefer | Utrecht University, Published in 2012, 97 pages
188. A. N. Whitehead's Geometric Algebra
     Stephen Blake | , Published in 2005, 280 pages
189. Congruence Lattices of Finite Algebras
     William DeMeo | arXiv, Published in 2012, 130 pages
190. Introduction Probaility and Statistics
     Muhammad El-Taha | University of Southern Maine, Published in 2003, 147 pages
191. Yet Another Calculus Text
     Dan Sloughter | , Published in 2007, 147 pages
192. Blast Into Math!
     Julie Rowlett | BookBoon, Published in 2013, 215 pages
193. Hilbert Spaces and Operators on Hilbert Spaces
     Leif Mejlbro | BookBoon, Published in 2009, 109 pages
194. Elementary Linear Algebra
     Kenneth Kuttler | The Saylor Foundation, Published in 2012, 433 pages
195. Fields and Galois Theory
     J. S. Milne | , Published in 2008, 111 pages
196. Statistics Review: Including a probability theory background
     | Wikipedia, Published in 2014
197. Probability, Statistics and Stochastic Processes
     Cosma Rohilla Shalizi | , Published in 2001, 71 pages
198. College Mathematics: Algebra
     | Wikipedia, Published in 2014
199. Basic Concepts of Mathematics
     Elias Zakon | The Trillia Group, Published in 2007, 208 pages
200. Optimal Stopping and Applications
     Thomas S. Ferguson | UCLA, Published in 2008
201. Reversible Markov Chains and Random Walks on Graphs
     David Aldous, James Allen Fill | University of California, Berkeley, Published in 2014, 516 pages
202. Functions of a Complex Variable
     Thomas S. Fiske | John Wiley & sons, Published in 1907, 122 pages
203. Introduction to Algebraic Number Theory
     William Stein | University of Washington, Published in 2005, 140 pages
204. Stochastic Analysis - Notes
     I. F. Wilde | , Published in 2009, 103 pages
205. Graphical Calculus
     Arthur Henry Barker | Longmans, Green, and Co., Published in 1896, 188 pages
206. The World of Mathematics
     Philipp Legner | Mathigon, Published in 2012
207. Conformal Fractals: Ergodic Theory Methods
     F. Przytycki, M. Urbanski | Cambridge University Press, Published in 2009, 362 pages
208. Advanced Graph Theory and Combinatorial Optimization
     Alexander Schrijver | , Published in 2012, 64 pages
209. Dynamical Systems
     Jose A. Tenreiro Machado (ed.) | MDPI AG, Published in 2014, 553 pages
210. Introduction to Topological Groups
     Dikran Dikranjan | UCM, Published in 2007, 69 pages
211. The Calculus Integral
     Brian S. Thomson | ClassicalRealAnalysis.com, Published in 2010, 303 pages
212. Differential Topology and Morse Theory
     Dirk Schuetz | University of Sheffield, Published in 2009, 96 pages
213. A Course of Modern Analysis
     E. T. Whittaker, G. N. Watson | Cambridge University Press, Published in 1920, 608 pages
214. Probability and Statistics Cookbook
     Matthias Vallentin | , Published in 2012, 31 pages
215. Lectures on Topics in Algebraic K-Theory
     Hyman Bass | Tata Institute of Fundamental Research, Published in 1967, 138 pages
216. Banach Spaces of Analytic Functions
     enneth Hoffman | Prentice-Hall, Published in 1962, 242 pages
217. Discrete Dynamical Systems
     Arild Wikan | Bookboon, Published in 2013, 254 pages
218. Higher Operads, Higher Categories
     Tom Leinster | arXiv, Published in 2003, 410 pages
219. An Introductory Course in Elementary Number Theory
     Wissam Raji | The Saylor Foundation, Published in 2013, 171 pages
220. Geometry of the Quintic
     Jerry Shurman | Wiley-Interscience, Published in 1997, 208 pages
221. Applied Probability
     Paul E Pfeiffer | Connexions, Published in 2008, 634 pages
222. Reader-friendly Introduction to the Measure Theory
     Vasily Nekrasov | Yetanotherquant.de, Published in 2009, 117 pages
223. Complex Integration and Cauchy's Theorem
     G. N. Watson | Cambridge University Press, Published in 1914, 100 pages
224. Open Trigonometry: Basic to Advanced
     | Wikibooks, Published in 2014, 51 pages
225. Coalgebras and Modal Logic
     Alexander Kurz | ESSLLI, Published in 2002, 100 pages
226. Dynamical Systems: Analytical and Computational Techniques
     Mahmut Reyhanoglu | InTech, Published in 2017, 272 pages
227. Lectures on Algebraic Groups
     Alexander Kleshchev | University of Oregon, Published in 2005, 166 pages
228. Lectures on the Geometry of Manifolds
     Liviu I. Nicolaescu | World Scientific Publishing Company, Published in 2009, 570 pages
229. Tea Time Numerical Analysis
     Leon Q. Brin | Southern Connecticut State University, Published in 2014, 278 pages
230. Collaborative Statistics
     Barbara Illowsky, Susan Dean | Illowsky Publising, Published in 2012, 728 pages
231. Algebraic and Geometric Surgery
     Andrew Ranicki | Oxford University Press, Published in 2002, 380 pages
232. Lectures on Exterior Differential Systems
     M. Kuranishi | Tata Institute of Fundamental Research, Published in 1962, 117 pages
233. Introduction to Real Analysis
     Lee Larson | University of Louisville, Published in 2014, 184 pages
234. An Infinitely Large Napkin
     Evan Chen | MIT, Published in 2016, 615 pages
235. Using R for Introductory Statistics
     John Verzani | Chapman & Hall/CRC, Published in 2004, 114 pages
236. Topics in Random Matrix Theory
     Terence Tao | , Published in 2011, 340 pages
237. CK-12 Trigonometry
     Mara Landers, Brenda Meery | CK-12 Foundation, Published in 2009, 629 pages
238. Linear Optimisation and Numerical Analysis
     Ian Craw | University of Aberdeen, Published in 2002, 151 pages
239. Analytical Geometry for Beginners
     Alfred Baker | W. J. Gage, Published in 1905, 234 pages
240. Topology Illustrated
     Peter Saveliev | Intelligent Perception, Published in 2014
241. Exotic Homology Manifolds
     Frank Quinn, Andrew Ranicki | , Published in 2006, 158 pages
242. Optimization Algorithms: Methods and Applications
     Ozgur Baskan (ed.) | InTech, Published in 2016, 322 pages
243. Mathematical Foundations of Probability Theory
     Gane Samb Lo | arXiv.org, Published in 2018, 378 pages
244. Essential Mathematics
     Franco Vivaldi | , Published in 2006, 74 pages
245. Radically Elementary Probability Theory
     Edward Nelson | Princeton University Press, Published in 1987, 111 pages
246. Notes on the Science of Logic
     Nuel Belnap | University of Pittsburgh, Published in 2009, 227 pages
247. History of Modern Mathematics
     David Eugene Smith | Columbia University, Published in 1906, 75 pages
248. Linear Algebra
     Peter Petersen | UCLA, Published in 2007, 300 pages
249. Cook-Book Of Mathematics
     Viatcheslav Vinogradov | CERGE-EI, Published in 1999, 116 pages
250. Elementary Illustrations of the Differential and Integral Calculus
     Augustus De Morgan | The Open Court Pub. Co., Published in 1899, 194 pages
251. Course of Analytical Geometry
     Ruslan Sharipov | UFA, Published in 2011, 226 pages
252. Lectures on Siegel Modular Forms and Representation by Quadratic Forms
     Y. Kitaoka | Tata Institute of Fundamental Research, Published in 1986, 197 pages
253. Correlation and Causality
     David A. Kenny | John Wiley & Sons Inc, Published in 1979, 353 pages
254. Real Variables: With Basic Metric Space Topology
     Robert B. Ash | Institute of Electrical & Electronics Engineering, Published in 2007, 213 pages
255. Point-Set Topology: Course
     Peter Saveliev | Intelligent Perception, Published in 2014
256. Gauge Theory for Fiber Bundles
     Peter W. Michor | Universitaet Wien, Published in 1991, 106 pages
257. A Geometric Approach to Differential Forms
     David Bachman | arXiv, Published in 2003, 106 pages
258. Topology of Numbers
     Allen Hatcher | Cornell University, Published in 2014, 122 pages
259. Undergraduate Analysis Tools
     Bruce K. Driver | University of California, San Diego, Published in 2013, 186 pages
260. Mathematics For Engineering Students
     Samuel Keller | D. Van Nostrand Company, Published in 1908, 376 pages
261. Iterative Methods for Linear and Nonlinear Equations
     C.T. Kelley | SIAM, Published in 1995, 172 pages
262. Vector Math for 3D Computer Graphics
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458. Interacting Particle Systems
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467. On Riemann's Theory of Algebraic Functions and their Integrals
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475. Lectures on Numerical Analysis
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479. Introduction to the Numerical Integration of PDEs
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480. Six Septembers: Mathematics for the Humanist
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481. Symbolic Logic: A First Course
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487. Jacobi Operators and Complete Integrable Nonlinear Lattices
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