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. Foundations of Infinitesimal Calculus
   H. Jerome Keisler | University of Wisconsin, Published in 2011, 213 pages
2. Lectures on Complex Analytic Manifolds
   L. Schwartz | Tata Institute of Fundamental Research, Published in 1955, 163 pages
3. Dynamical Systems and Chaos
   Evans M. Harrell II | , Published in 2000
4. Inside Out: Inverse Problems and Applications
   Gunther Uhlmann | Cambridge University Press, Published in 2003, 400 pages
5. Handbook of Graph Drawing and Visualization
   Roberto Tamassia (ed.) | CRC Press, Published in 2013, 862 pages
6. Linear Algebra Examples C-3: The Eigenvalue Problem and Euclidean Vector Space
   Leif Mejlbro | BookBoon, Published in 2009, 136 pages
7. Notes on Differential Equations
   Bob Terrell | , Published in 2005, 99 pages
8. Concepts and Applications of Inferential Statistics
   Richard Lowry | , Published in 2008, 366 pages
9. Numerical Analysis I
   Mark Embree | Rice University, Published in 2012, 207 pages
10. Applied Mathematical Programming Using Algebraic Systems
    Bruce A. McCarl, Thomas H. Spreen | Texas A&M University, Published in 2011, 567 pages
11. Complex Variables with Applications
    Jeremy Orloff | LibreTexts, Published in 2021, 289 pages
12. An Introduction to Combinatorics and Graph Theory
    David Guichard | Whitman College, Published in 2017, 153 pages
13. Functional Analysis
    Feng Tian, Palle E.T. Jorgensen | arXiv, Published in 2010, 98 pages
14. On Some of Smarandache's Problems
    Krassimir Atanassov | Erhus Univ Pr, Published in 1999, 89 pages
15. Solving PDEs in Python
    Hans Petter Langtangen, Anders Logg | Springer, Published in 2017, 148 pages
16. Foundations of Constructive Probability Theory
    Yuen-Kwok Chan | arXiv.org, Published in 2019, 517 pages
17. Plane and Spherical Trigonometry in three parts
    Henry Bedingfield Goodwin | Longmans, Green, and Co., Published in 1907, 296 pages
18. A Brief History of Mathematics
    Karl Fink | Open Court Publishing Company, Published in 1900, 366 pages
19. Geometric Exercises in Paper Folding
    T. Sundara Row | The Open Court pub. co, Published in 1917, 176 pages
20. Pseudodifferential Operators and Nonlinear PDE
    Michael E. Taylor | Birkhäuser Boston, Published in 1991, 202 pages
21. A First Course in Ordinary Differential Equations
    Norbert Euler | Bookboon, Published in 2015, 232 pages
22. Notes on Basic 3-Manifold Topology
    Allen Hatcher | , Published in 2000, 61 pages
23. Endless Amusement
    | Lea and Blanchard, Published in 1847, 217 pages
24. C*-algebras
    John Erdos | King's College, London, Published in 2003, 51 pages
25. Topology
    Curtis T. McMullen | Harvard University, Published in 2013, 90 pages
26. Elementary Differential Geometry
    Gilbert Weinstein | UAB, Published in 2009, 62 pages
27. n-Linear Algebra of Type I and Its Applications
    W. B. V. Kandasamy, F. Smarandache | InfoLearnQuest, Published in 2008, 120 pages
28. Functional Analysis
    Alexander C. R. Belton | Lancaster University, Published in 2006, 127 pages
29. An Episodic History of Mathematics
    Steven G. Krantz | Mathematical Association of America, Published in 2006, 483 pages
30. Lecture Notes on Differentiable Manifolds
    Jie Wu | National University of Singapore, Published in 2004, 78 pages
31. The Calculus Integral
    Brian S. Thomson | ClassicalRealAnalysis.com, Published in 2010, 303 pages
32. Discrepancy Theory
    William Chen | Macquarie University, Published in 2012, 99 pages
33. Pictures of Julia and Mandelbrot Sets
    | Wikibooks, Published in 2010
34. Handbook of Modal Logic
    Patrick Blackburn, Johan van Benthem, Frank Wolter | , Published in 2006, 1260 pages
35. Natural Topology
    Frank Waaldijk | arXiv, Published in 2012, 174 pages
36. A Problem Course in Mathematical Logic
    Stefan Bilaniuk | , Published in 2003, 166 pages
37. Lectures on Topics In The Theory of Infinite Groups
    B.H. Neumann | Tata Institute of Fundamental Research, Published in 1960, 200 pages
38. Fractal Geometry
    Michael Frame, Benoit Mandelbrot, Nial Neger | Yale University, Published in 2009, 323 pages
39. A Friendly Introduction to Number Theory
    Joseph H. Silverman | Pearson Education, Inc., Published in 2012, 56 pages
40. Differential Geometry: A First Course in Curves and Surfaces
    Theodore Shifrin | University of Georgia, Published in 2015, 127 pages
41. Higher Mathematics for Students of Chemistry and Physics
    Joseph William Mellor | Longmans, Green, Published in 1902, 580 pages
42. Harmonic Function Theory
    Sheldon Axler, Paul Bourdon, Wade Ramey | Springer, Published in 2001, 270 pages
43. Lectures on Birational Geometry
    Caucher Birkar | arXiv, Published in 2012, 85 pages
44. Robust Geometric Computation
    Kurt Mehlhorn, Chee Yap | New York University, Published in 2004
45. Convergence of Stochastic Processes
    D. Pollard | Springer, Published in 1984, 223 pages
46. Orders of Infinity
    G. H. Hardy | Cambridge University Press, Published in 1910, 101 pages
47. Immersive Linear Algebra
    J. Strom, K. Astrom, T. Akenine-Moller | immersivemath, Published in 2017, 205 pages
48. Precalculus
    David H. Collingwood, K. David Prince, Matthew M. Conroy | , Published in 2011, 335 pages
49. Dynamical Systems and Sheaves
    D. I. Spivak, C. Vasilakopoulou, P. Schultz | arXiv, Published in 2016, 65 pages
50. Inverse Problems and Applications: Inside Out II
    Gunther Uhlmann (ed.) | Cambridge University Press, Published in 2013, 580 pages
51. Elements of Plane Trigonometry
    Hugh Blackburn | Macmillan and co, Published in 1871, 143 pages
52. Topics in Random Matrix Theory
    Terence Tao | , Published in 2011, 340 pages
53. On Advanced Analytic Number Theory
    C.L. Siegel | Tata Institute of Fundamental Research, Published in 1961, 241 pages
54. Correlation and Causality
    David A. Kenny | John Wiley & Sons Inc, Published in 1979, 353 pages
55. An Introduction to K-theory and Cyclic Cohomology
    Jacek Brodzki | arXiv, Published in 1996, 115 pages
56. Algebraic Geometry
    Andreas Gathmann | University of Kaiserslautern, Published in 2014, 133 pages
57. An Introduction to the Theory of Numbers
    Leo Moser | The Trillia Group, Published in 2007, 95 pages
58. Abstract Set Theory
    Thoralf A. Skolem | University of Notre Dame, Published in 1962, 70 pages
59. Problems with and Without ... Problems!
    Florentin Smarandache | viXra, Published in 2011, 136 pages
60. Elements of Analytical Geometry of Two Dimensions
    M. Briot, M. Bouquet | Werner school book company, Published in 1896, 602 pages
61. Foundations of Descriptive and Inferential Statistics
    Henk van Elst | arXiv, Published in 2013, 144 pages
62. Toposes, Triples and Theories
    Michael Barr, Charles Wells | Springer-Verlag, Published in 2005, 302 pages
63. Transmutations and Applications: a survey
    Sergei M. Sitnik | arXiv, Published in 2010, 141 pages
64. Introduction to Representation Theory
    Fiona Murnaghan | University of Toronto, Published in 2010, 73 pages
65. Optimization Algorithms on Matrix Manifolds
    P.-A. Absil, R. Mahony, R. Sepulchre | Princeton University Press, Published in 2007, 240 pages
66. Algebraic and Geometric Surgery
    Andrew Ranicki | Oxford University Press, Published in 2002, 380 pages
67. Mathematics for Computer Science
    Eric Lehman, F Thomson Leighton, Albert R Meyer | MIT, Published in 2010, 557 pages
68. Euclid and His Twentieth Century Rivals
    Nathaniel Miller | , Published in 2007, 124 pages
69. Determinants and Matrices
    R. Kochendörfer | Teubner, Published in 1961
70. Modular Forms, Hecke Operators, and Modular Abelian Varieties
    Kenneth A. Ribet, William A. Stein | University of Washington, Published in 2003, 154 pages
71. C*-algebraic Methods in Spectral Theory
    Serge Richard | Nagoya University, Published in 2014, 103 pages
72. Symplectic, Poisson, and Noncommutative Geometry
    Tohru Eguchi, et al. | Cambridge University Press, Published in 2014, 290 pages
73. Stability, Riemann Surfaces, Conformal Mappings: Complex Functions Theory a-3
    Leif Mejlbro | BookBoon, Published in 2010, 115 pages
74. Singularities of Transition Processes in Dynamical Systems
    Alexander N. Gorban | American Mathematical Society, Published in 2004, 55 pages
75. On 2D Inverse Problems
    | Wikibooks, Published in 2013
76. Algebra: Abstract and Concrete
    Frederick M. Goodman | Semisimple Press, Published in 2015, 587 pages
77. Elementary Linear Algebra
    Keith Matthews | University of Queensland, Published in 1998, 302 pages
78. Functions of a Complex Variable
    Thomas S. Fiske | John Wiley & sons, Published in 1907, 122 pages
79. Super Linear Algebra
    W. B. V. Kandasamy, F. Smarandache | InfoQuest, Published in 2008, 293 pages
80. Iterative Methods for Sparse Linear Systems
    Yousef Saad | PWS, Published in 1996
81. An Introduction to Asymptotic Analysis
    Simon J.A. Malham | Heriot-Watt University, Published in 2010, 56 pages
82. Mathematical Methods for Economic Theory: a tutorial
    Martin J. Osborne | University of Toronto, Published in 2007, 301 pages
83. Linear algebra via exterior products
    Sergei Winitzki | Ludwig-Maximilians University, Published in 2009, 82 pages
84. Geometry of Four Dimensions
    Parker Manning Henry | The MacMillan Company, Published in 1914, 378 pages
85. Riemannian Submanifolds: A Survey
    Bang-Yen Chen | arXiv, Published in 2013, 272 pages
86. Differential and Integral Equations: Boundary Value Problems and Adjoints
    S. Schwabik, M. Tvrdy, O. Vejvoda | Academia Praha, Published in 1979, 246 pages
87. Lectures on the Philosophy of Mathematics
    James Byrnie Shaw | Open Court Pub. Co, Published in 1918, 222 pages
88. A First Course in Elementary Differential Equations
    Marcel B. Finan | Arkansas Tech University, Published in 2006, 213 pages
89. Open Trigonometry: Basic to Advanced
    | Wikibooks, Published in 2014, 51 pages
90. 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
91. Introduction to Groups, Invariants and Particles
    Frank W. K. Firk | Orange Grove Texts Plus, Published in 2000, 162 pages
92. Real Harmonic Analysis
    Pascal Auscher, Lashi Bandara | ANU eView, Published in 2012, 113 pages
93. Hopf Algebras, Quantum Groups and Yang-Baxter Equations
    Florin Felix Nichita (ed.) | MDPI AG, Published in 2019, 240 pages
94. Applied and Computational Linear Algebra: A First Course
    Charles L. Byrne | University of Massachusetts Lowell, Published in 2013, 504 pages
95. H Ring Spectra and Their Applications
    R. R. Bruner, J. P. May, J. E. McClure, M. Steinberger | Springer, Published in 1986, 400 pages
96. A Semester Course in Trigonometry
    Marcel B. Finan | Arkansas Tech University, Published in 2003, 264 pages
97. Reversible Markov Chains and Random Walks on Graphs
    David Aldous, James Allen Fill | University of California, Berkeley, Published in 2014, 516 pages
98. Theory and Applications of Finite Groups
    G. A. Miller, H. F. Blichfeldt, L. E. Dickson | J. Wiley, Published in 1916, 424 pages
99. Deformations of Algebras in Noncommutative Geometry
    Travis Schedler | arXiv, Published in 2015, 120 pages
100. Coalgebras and Modal Logic
     Alexander Kurz | ESSLLI, Published in 2002, 100 pages
101. The Theory of Determinants and Their Applications
     Robert Forsyth Scott | Cambridge University Press, Published in 1904, 308 pages
102. Optimization Algorithms: Methods and Applications
     Ozgur Baskan (ed.) | InTech, Published in 2016, 322 pages
103. Advanced Data Analysis from an Elementary Point of View
     Cosma Rohilla Shalizi | Cambridge University Press, Published in 2013, 586 pages
104. An Introduction to Noncommutative Spaces and their Geometry
     Giovanni Landi | arXiv, Published in 1997, 186 pages
105. Introduction to Stokes Structures
     Claude Sabbah | arXiv, Published in 2010, 157 pages
106. Higher Topos Theory
     Jacob Lurie | Princeton University Press, Published in 2009, 943 pages
107. Course of Analytical Geometry
     Ruslan Sharipov | UFA, Published in 2011, 226 pages
108. Online Statistics Education
     David Lane | Rice University, Published in 2017, 692 pages
109. Mathematics for Technical Schools
     J.M. Warren, W.H. Rutherford | Copp, Clark, Published in 1921, 356 pages
110. Lectures on Elliptic Partial Differential Equations
     J.L. Lions | Tata Institute of Fundamental Research, Published in 1957, 121 pages
111. Notes on Differential Geometry
     Noel J. Hicks | Van Nostrand, Published in 1965, 183 pages
112. Non-Euclidean Geometry
     Henry Manning | Ginn and Company, Published in 1901, 93 pages
113. Tensor Calculus
     Taha Sochi | viXra, Published in 2016, 91 pages
114. Stochastic Integration and Stochastic Differential Equations
     Klaus Bichteler | University of Texas, Published in 2002, 643 pages
115. Opera Magistris
     Vincent Isoz | , Published in 2016, 5273 pages
116. Encyclopedia of Mathematics
     Michiel Hazewinkel | Kluwer Academic Publishers, Published in 2002, 1422 pages
117. Riemannian Geometry
     Ilkka Holopainen, Tuomas Sahlsten | , Published in 2013, 102 pages
118. Elliptic Curves over Function Fields
     Douglas Ulmer | arXiv, Published in 2011, 72 pages
119. Mathematical Formula Handbook
     Wu-ting Tsai | National Taiwan University, Published in 2012, 28 pages
120. Multivariable Calculus
     Jerry Shurman | Reed College, Published in 2010, 523 pages
121. Numerical Analysis for Engineering
     Douglas W. Harder, Richard Khoury | University of Waterloo, Published in 2010
122. Calculus III
     Paul Dawkins | Lamar University, Published in 2011, 287 pages
123. A Practical Guide to Robust Optimization
     Bram L. Gorissen, Ihsan Yanıkoğlu, Dick den Hertog | arXiv, Published in 2015, 29 pages
124. Computational Modeling and Mathematics Applied to the Physical Sciences
     | National Academy Press, Published in 1984, 108 pages
125. Around the Boundary of Complex Dynamics
     Roland K. W. Roeder | arXiv, Published in 2015, 56 pages
126. Calculus: Early Transcendentals
     David Guichard | Lyryx, Published in 2016, 656 pages
127. Ten Chapters of the Algebraical Art
     Peter J. Cameron | Queen Mary, University of London, Published in 2007, 108 pages
128. Stochastic Calculus
     Alan Bain | , Published in 2008, 99 pages
129. Statistics: Methods and Applications
     Thomas Hill, Paul Lewicki | StatSoft, Inc., Published in 2005, 800 pages
130. Elementary Algebra
     John Redden | The Saylor Foundation, Published in 2011, 1334 pages
131. Elementary Calculus
     Frederick S Woods, Frederick H Bailey | Ginn and Company, Published in 1922, 323 pages
132. Advanced Calculus and Analysis
     Ian Craw | University of Aberdeen, Published in 2000, 110 pages
133. Lectures on Mean Periodic Functions
     J.P. Kahane | Tata Institute of Fundamental Research, Published in 1959, 165 pages
134. Computational Statistics
     James E. Gentle | Springer, Published in 2009, 729 pages
135. A Century of Mathematics in America
     Peter Duren, Richard A. Askey | American Mathematical Society, Published in 1988
136. An Introduction to Complex Algebraic Geometry
     Chris Peters | Institut Fourier Grenoble, Published in 2004, 129 pages
137. Stats without Tears
     Stan Brown | BrownMath.com, Published in 2016, 243 pages
138. Lectures on Topics in Algebraic Number Theory
     Sudhir R. Ghorpade | Indian Institute of Technology, Bombay, Published in 2002, 83 pages
139. Symmetry Measures on Complex Networks
     Angel Garrido (ed.) | MDPI AG, Published in 2017, 510 pages
140. An Introduction to Mathematics
     A. N. Whitehead | Williams & Northgate, Published in 1911, 274 pages
141. Numerical Stability
     M.N. Spijker | Leiden University, Published in 1998, 71 pages
142. The First Six Books of the Elements of Euclid
     John Casey, Euclid | Longmans, Green, and Co., Published in 1885, 233 pages
143. Linear Algebra
     Jonathan Gleason | University of California, Published in 2018, 681 pages
144. 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
145. Lecture Notes in Lie Groups
     Vladimir G. Ivancevic, Tijana T. Ivancevic | arXiv, Published in 2011, 74 pages
146. Introduction to Probability Theory and Statistics for Linguistics
     Marcus Kracht | UCLA, Published in 2005, 137 pages
147. Lectures on Meromorphic Functions
     W.K. Hayman | Tata Institue of Fundamental Research, Published in 1959, 119 pages
148. Special Set Linear Algebra and Special Set Fuzzy Linear Algebra
     W. B. V. Kandasamy, F. Smarandache, K. Ilanthenral | CuArt, Published in 2009, 469 pages
149. Data Assimilation: A Mathematical Introduction
     K.J.H. Law, A.M. Stuart, K.C. Zygalakis | arXiv.org, Published in 2015, 158 pages
150. An Introduction to Lie Group Integrators
     E. Celledoni, H. Marthinsen, B. Owren | arXiv, Published in 2012, 28 pages
151. Fundamentals of Analysis
     W W L Chen | Macquarie University, Published in 2008, 152 pages
152. Formal Logic
     | Wikibooks, Published in 2009
153. Complex Analysis for Mathematics and Engineering
     John H. Mathews, Russell W. Howell | Jones & Bartlett Learning, Published in 2006, 633 pages
154. Symplectic Geometry of Quantum Noise
     Leonid Polterovich | arXiv, Published in 2012, 57 pages
155. Algebra Study Guide
     John Redden | , Published in 2012, 211 pages
156. Lectures on Optimization: Theory and Algorithms
     John Cea | Tata Institute of Fundamental Research, Published in 1978, 237 pages
157. Lectures on The Riemann Zeta-Function
     K. Chandrasekharan | Tata Institute of Fundamental Research, Published in 1953, 154 pages
158. Introduction to Differential Topology
     Uwe Kaiser | Boise State University, Published in 2006, 110 pages
159. Discrete Mathematics
     W W L Chen | Macquarie University, Published in 2008, 125 pages
160. A Feel for Statistics
     Ivan Lowe | scientificlanguage.com, Published in 2016, 121 pages
161. An Introduction to Probability and Random Processes
     Gian-Carlo Rota, Kenneth Baclawski | , Published in 1979, 467 pages
162. Complex Analysis on Riemann Surfaces
     Curtis McMullen | Harvard University, Published in 2005, 89 pages
163. An Introduction to Higher Mathematics
     Patrick Keef, David Guichard, Russ Gordon | Whitman College, Published in 2010, 144 pages
164. Groups Around Us
     Pavel Etingof | Massachusetts Institute of Technology, Published in 2018, 25 pages
165. Lectures on Entire Functions
     B. Ya. Levin | American Mathematical Society, Published in 1996, 265 pages
166. Elementary Linear Algebra
     Kenneth Kuttler | The Saylor Foundation, Published in 2012, 433 pages
167. The Octonions
     John C. Baez | University of California, Published in 2001, 56 pages
168. Lectures on Logarithmic Algebraic Geometry
     Arthur Ogus | University of California, Berkeley, Published in 2006, 255 pages
169. Undergraduate Analysis Tools
     Bruce K. Driver | University of California, San Diego, Published in 2013, 186 pages
170. Introduction to Symplectic Field Theory
     Y. Eliashberg, A. Givental, H. Hofer | arXiv, Published in 2000, 102 pages
171. Lectures on the Theory of Algebraic Functions of One Variable
     M. Deuring | Tata Institute of Fundamental Research, Published in 1959, 154 pages
172. Discrete Math for Computer Science Students
     Ken Bogart, Cliff Stein | Dartmouth College, Published in 2003, 252 pages
173. Lie groups and Lie algebras
     N. Reshetikhin, V. Serganova, R. Borcherds | UC Berkeley, Published in 2006, 179 pages
174. Category Theory in Context
     Emily Riehl | Dover Publications, Published in 2016, 258 pages
175. Topological Groups: Yesterday, Today, Tomorrow
     Sidney A. Morris (ed.) | MDPI AG, Published in 2016, 230 pages
176. Notes on the Atiyah-Singer Index Theorem
     Liviu I. Nicolaescu | University of Notre Dame, Published in 2005, 135 pages
177. Fundamentals of Model Theory
     William Weiss, Cherie D'Mello | University of Toronto, Published in 1997, 64 pages
178. Lectures on the Mean-Value and Omega Theorems for the Riemann Zeta-Function
     K. Ramachandra | Tata Institute of Fundamental Research, Published in 1995, 190 pages
179. Tensor Analysis
     Edward Nelson | Princeton Univ Pr, Published in 1974, 138 pages
180. Langlands Correspondence for Loop Groups
     Edward Frenkel | Cambridge University Press, Published in 2007, 393 pages
181. Lectures on Lie Groups and Representations of Locally Compact Groups
     F. Bruhat | Tata Institute of Fundamental Research, Published in 1958, 140 pages
182. Mathematical Foundations of Probability Theory
     Gane Samb Lo | arXiv.org, Published in 2018, 378 pages
183. Euclid's Parallel Postulate: Its Nature, Validity and Place in Geometrical Systems
     John William Withers | Open Court Publishing Co., Published in 1904, 214 pages
184. The Algebra of Invariants
     J.H. Grace, A. Young | Cambridge, University Press, Published in 1903, 404 pages
185. Axiomatic Set Theory
     Michael Meyling | , Published in 2011, 36 pages
186. An Introduction to Riemannian Geometry
     Sigmundur Gudmundsson | Lund University, Published in 2010, 106 pages
187. Integration and Differential Equations
     R.S. Johnson | BookBoon, Published in 2012, 122 pages
188. Notes on the Combinatorial Fundamentals of Algebra
     Darij Grinberg | arXiv.org, Published in 2021, 1359 pages
189. Enumerative Combinatorics: Volume 1
     Richard P. Stanley | MIT, Published in 2011, 725 pages
190. Elements of Applied Mathematics
     Cobb Herbert E. | Ginn and Company, Published in 1911, 292 pages
191. Lectures on Minimal Surface Theory
     Brian White | arXiv, Published in 2013, 46 pages
192. Groupoids and Smarandache Groupoids
     W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 115 pages
193. Foundations of Mathematics
     Stephen G. Simpson | Pennsylvania State University, Published in 2008, 123 pages
194. Real Analysis
     Martin Smith-Martinez, et al. | Wikibooks, Published in 2013
195. Mathematics for the Physical Sciences
     Leslie Copley | De Gruyter Open, Published in 2014, 446 pages
196. A Treatise on the Theory of Invariants
     Oliver E. Glenn | Project Gutenberg, Published in 2006, 221 pages
197. Quantum Physics, Relativity, and Complex Spacetime
     Gerald Kaiser | University of Massachusetts at Lowell, Published in 2003, 252 pages
198. Functors and Categories of Banach Spaces
     Peter W. Michor | Springer, Published in 1978, 103 pages
199. Lectures on Differential Equations
     Craig A. Tracy | University of California, Published in 2011, 131 pages
200. Collections of Problems on Smarandache Notions
     Charles Ashbacher | Erhus University Press, Published in 1996, 75 pages
201. Templates for the Solution of Linear Systems
     Richard Barrett et al. | Society for Industrial Mathematics, Published in 1987, 117 pages
202. Mathematical Methods for Physical Sciences II
     Christoph Kirsch | University of North Carolina, Published in 2011, 209 pages
203. Lectures on Topics in Algebraic K-Theory
     Hyman Bass | Tata Institute of Fundamental Research, Published in 1967, 138 pages
204. Elementary Theory of Numbers
     Waclaw Sierpinski | ICM, Published in 1964, 516 pages
205. Categorical Geometry
     Zhaohua Luo | , Published in 1998
206. Lectures on Statistics
     Robert B. Ash | University of Illinois, Published in 2007
207. What is Mathematics: Gödel's Theorem and Around
     Karlis Podnieks | University of Latvia, Published in 2013, 239 pages
208. Linear Algebra C-4: Quadratic equations in two or three variables
     Leif Mejlbro | BookBoon, Published in 2009, 74 pages
209. Practical Plane and Solid Geometry for Advanced Students
     J. Harrison, G.A. Baxandall | Macmillan, Published in 1899, 584 pages
210. General Topology
     Jesper M. Moller | , Published in 2010, 75 pages
211. Greek Geometry from Thales to Euclid
     George Johnston Allman | Dublin University Press, Published in 1877, 248 pages
212. Advanced Stochastic Processes
     Jan A. Van Casteren | Bookboon, Published in 2013, 404 pages
213. Proof Theory and Philosophy
     Greg Restall | consequently.org, Published in 2006, 168 pages
214. An Introduction to Group Theory: Applications to Mathematical Music Theory
     Flor Aceff-Sanchez, et al. | BookBoon, Published in 2013, 165 pages
215. Iterative Methods in Combinatorial Optimization
     Lap Chi Lau, R. Ravi, M. Singh | Cambridge University Press, Published in 2011, 229 pages
216. Mathematical Discovery
     A.M. Bruckner, B.S. Thomson, J.B. Bruckner | ClassicalRealAnalysis.com, Published in 2011, 267 pages
217. Lectures on a Method in the Theory of Exponential Sums
     M. Jutila | Tata Institute of Fundamental Research, Published in 1987, 134 pages
218. Yet Another Calculus Text
     Dan Sloughter | , Published in 2007, 147 pages
219. Jordan Operator Algebras
     Harald Hanche-Olsen, Erling Størmer | Pitman, Published in 1984, 216 pages
220. Lectures on Algebraic Groups
     Alexander Kleshchev | University of Oregon, Published in 2005, 166 pages
221. Flatland: A Romance of Many Dimensions
     Edwin A. Abbot | Seeley and Co., Published in 1884, 120 pages
222. Set Theoretic Approach to Algebraic Structures in Mathematics
     W. B. Vasantha Kandasamy, Florentin Smarandache | Educational Publisher, Published in 2013, 168 pages
223. Lecture Notes on the Theory of Distributions
     Guenther Hoermann, Roland Steinbauer | Universitaet Wien, Published in 2009, 160 pages
224. A Handbook of Statistics
     Darius Singpurwalla | Bookboon, Published in 2013, 79 pages
225. Interval Groupoids
     W. B. V. Kandasamy, F. Smarandache, M. K. Chetry | arXiv, Published in 2010, 240 pages
226. Computer Age Statistical Inference: Algorithms, Evidence, and Data Science
     Bradley Efron, Trevor Hastie | Stanford University, Published in 2016, 493 pages
227. Combinatorial Maps: Tutorial
     Dainis Zeps | Latvian University, Published in 2007, 61 pages
228. Euclid's Elements
     D.E.Joyce | , Published in 1998
229. Topology and Physics: A Historical Essay
     C. Nash | arXiv, Published in 1997, 60 pages
230. Linear Algebra: Course
     Peter Saveliev | , Published in 2012, 242 pages
231. Abstract Algebra
     J. Mathos, R. Campanha | Wikibooks, Published in 2012
232. Homotopy Theories and Model Categories
     W. G. Dwyer, J. Spalinski | University of Notre Dame, Published in 1995, 56 pages
233. Strange Attractors: Creating Patterns in Chaos
     Julien C. Sprott | M & T Books, Published in 2000, 591 pages
234. Philosophy and Fun of Algebra
     Mary Everest Boole | C. W. Daniel, Published in 1891, 56 pages
235. Computational and Algorithmic Linear Algebra and n-Dimensional Geometry
     Katta G. Murty | , Published in 2001, 554 pages
236. Hopf Algebras in General and in Combinatorial Physics: a practical introduction
     G.H.E. Duchamp, et al. | arXiv, Published in 2008, 40 pages
237. Abstract Algebra for Polynomial Operations
     Maya Mohsin Ahmed | , Published in 2009, 210 pages
238. Basic Linear Algebra
     Andrew Baker | University of Glasgow, Published in 2008, 73 pages
239. Engineering Mathematics
     Charles Proteus Steinmetz | McGraw-Hill, Published in 1911, 326 pages
240. Differential Calculus
     Shanti Narayan | S. Chand And Company, Published in 1962, 429 pages
241. Residues and Duality
     Robin Hartshorne | Springer, Published in 1966, 434 pages
242. Optimization and Dynamical Systems
     U. Helmke, J. B. Moore | Springer, Published in 1996, 414 pages
243. Fundamentals of Practical Mathematics
     George Wentworth | Ginn and Co., Published in 1922, 220 pages
244. The Adams-Novikov Spectral Sequence and the Homotopy Groups of Spheres
     Paul Goerss | Northwestern University, Published in 2007, 47 pages
245. Iterative Methods for Linear and Nonlinear Equations
     C.T. Kelley | SIAM, Published in 1995, 172 pages
246. Strings and Geometry
     M. Douglas, J. Gauntlett, M. Gross | American Mathematical Society, Published in 2004, 384 pages
247. Hyperbolic Functions
     James McMahon | John Wiley & Sons, Published in 1906, 106 pages
248. Constructive Geometry
     John G. Kerr | Blackie And Son Limited., Published in 1904, 135 pages
249. The Elements of Analytic Geometry
     Percey F. Smith, A. S. Gale | Ginn & company, Published in 1904, 450 pages
250. Differential Calculus for Beginners
     Alfred Lodge | Deighton, Bell, & Co., Published in 1905, 322 pages
251. Basic Concepts of Enriched Category Theory
     Max Kelly | Cambridge University Press, Published in 2005, 143 pages
252. Bayesian Methods for Statistical Analysis
     Borek Puza | ANU Press, Published in 2015, 697 pages
253. Classical Algebraic Geometry: A Modern View
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500. An Introduction to Partial Differential Equations
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