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Free Science Books - Mathematics and Computer Science
  1. 3D Graphics Programming with QuickDraw 3D by Apple Computer (frame-dependent HTML at Apple)

  2. A=B by Marko Petkovsek, Herbert S. Wilf, and Doron Zeilberger (PDF with commentary at Penn)

  3. Abel's Theorem and the Allied Theory by H. F. Baker (page images at Cornell)

  4. Academic Careers for Experimental Computer Scientists and Engineers by National Research Council Committee on Academic Careers for Experimental Computer Scientists. (Postscript files at NAP)

  5. A Challenge of Numbers: People in the Mathematical Sciences by Bernard L. Madison and Therese A. Hart (page images at NAP)

  6. A Compendious Tract on the Theory and Solution of Cubic and Biquadratic Equations, and of Equations of the Higher Orders by B. Bridge (page images at Cornell)

  7. A Course in Interpolation and Numerical Integration for the Mathematical Laboratory by David Gibb (page images at Cornell)

  8. Adaptive Object-Oriented Software by Karl J. Lieberherr (PDF with commentary at Northeastern)

  9. Advanced Calculus by Edwin Bidwell Wilson (page images at Cornell)

  10. Advanced Programming Language Design (1996) by Raphael A. Finkel (PDF files at Addison-Wesley)

  11. A Guide to Understanding Audit in Trusted Systems (version 2, 1988) by National Computer Security Center (HTML at isu.edu)

  12. A Guide to Understanding Configuration Management in Trusted Systems (version 1, 1988) by James N. Menendez (HTML at isu.edu)

  13. A Guide to Understanding Design Documentation in Trusted Systems (version 1, 1988) by National Computer Security Center (HTML at isu.edu)

  14. A Guide to Understanding Identification and Authentication in Trusted Systems by National Computer Security Center (HTML at isu.edu)

  15. A Guide to Understanding Trusted Distribution in Trusted Systems (version 1, 1988) by National Computer Security Center (HTML at isu.edu)

  16. A Guide to Understanding Trusted Facility Management by Virgil D. Gligor (HTML at isu.edu)

  17. A Key to the Exercises in the First Six Books of Casey's Elements of Euclid by Joseph Casey (page images at Cornell)

  18. Alan Simpson's Easy Guide to Windows 95 by Alan Simpson and Elizabeth Olson (page images at iuniverse.com)

  19. Algebraic Invariants by Leonard E. Dickson (page images at Cornell)

  20. Algorithmic Information Theory (based on the third printing, 1990) by Gregory J. Chaitin (PDF at Maine)

  21. Algorithms and Complexity by Herbert S. Wilf (PDF at Penn)

  22. A Manual for Quaternions by Charles Jasper Joly (page images at Cornell)

  23. An Architecture for Combinator Graph Reduction by Philip Koopman (local PDF files with commentary)

  24. An Elementary Course in Analytic Geometry by J. H. Tanner and Joseph Allen (page images at Cornell)

  25. An Elementary Treatise on Curves, Functions, and Forces by Benjamin Peirce
    1. volume 1: page images at Cornell
    2. volume 2: page images at Cornell

  26. An Elementary Treatise on Elliptic Functions by Arthur Cayley (page images at Cornell)

  27. An Elementary Treatise on Modern Pure Geometry by Robert Lachlan (page images at Cornell)

  28. An Elementary Treatise on Pure Geometry with Numerous Examples by John Wellesley Russell (page images at Cornell)

  29. An Elementary Treatise on Spherical Harmonics and Subjects Connected With Them by N. M. Ferrers (page images at Cornell)

  30. An Elementary Treatise on the Mathematical Theory of Perfect Elastic Solids by William John Ibbetson (page images at Cornell)

  31. An Elementary Treatise on the Theory of Determinants by Paul Henry Hanus (page images at Cornell)

  32. An Elementary Treatise on the Theory of Equations (1875 edition) by I. Todhunter (page images at Cornell)

  33. A New Analysis of Plane Geometry, Finite and Differential, with Numerous Examples by Ansle William Haughton Thompson (page images at Cornell)

  34. An Introduction to Algebraical Geometry by A. Clement Jones (page images at Cornell)

  35. An Introduction to Determinants by William Snow Burnside (page images at Cornell)

  36. An Introduction to the Ancient and Modern Geometry of Conics by Charles Taylor (page images at Cornell)

  37. An Introduction to the Differential and Integral Calculus by James Thomson (page images at Cornell)

  38. An Introduction to the Lie Theory of One-Parameter Groups by Abraham Cohen (page images at Cornell)

  39. An Introduction to the Study of the Elements of the Differential and Integral Calculus by Axel Harnack, trans. by George L. Cathcart (page images at Cornell)

  40. An Introduction to the Theory of Groups of Finite Order by Harold Hilton (page images at Cornell)

  41. Apple Guide Complete: Designing and Developing Onscreen Assistance by Apple Computer (HTML and compressed PDF at Apple)

  42. AppleScript Finder Guide: English Dialect by Apple Computer (HTML and PDF at Apple)

  43. AppleScript Language Guide: English Dialect by Apple Computer (HTML and PDF at Apple)

  44. AppleScript Scripting Additions Guide: English Dialect by Apple Computer (HTML and PDF at Apple)

  45. A Presentation of the Theory of Hermite's Form of Lamé's Equation by J. Bruce Chittenden (page images at Cornell)

  46. A Primer of Quaternions by Arthur S. Hathaway (page images at Cornell)

  47. A Scrap-Book of Elementary Mathematics by William Frank White (page images at Cornell)

  48. A Short Course in the Theory of Determinants by Laenas Gifford Weld (page images at Cornell)

  49. A Tract on the Addition of Elliptic and Hyper-Elliptic Integrals by Michael Roberts (page images at Cornell)

  50. A Treatise on Algebra by Charles Smith (page images at Cornell)

  51. A Treatise on the Adjustment of Observations by T. W. Wright (page images at Cornell)

  52. A Treatise on the Calculus of Variations by Lewis Buffett Carll (page images at Cornell)

  53. A Treatise on the Differential Calculus, With Numerous Examples (1878 edition) by I. Todhunter (page images at Cornell)

  54. A Treatise on Differential Equations by Andrew Russell Forsyth (page images at Cornell)

  55. A Treatise on Differential Equations, and on the Calculus of Finite Differences by J. Hymers (page images at Cornell)

  56. A Treatise on Linear Differential Equations by Thomas Craig (page images at Cornell)

  57. A Treatise on Plane Co-ordinate Geometry As Applied to the Straight Line and the Conic Sections (1881 edition) by I. Todhunter (page images at Cornell)

  58. A Treatise on Projective Geometry by George William Jones (page images at Cornell)

  59. A Treatise on Some New Geometrical Methods by James Booth
    1. volume 1: page images at Cornell
    2. volume 2: page images at Cornell

  60. A Treatise on the Cycloid and All Forms of Cycloid Curves by Richard A. Proctor (page images at Cornell)

  61. A Treatise on the Differential Geometry of Curves and Surfaces by Luther Pfahler Eisenhart (page images at Cornell)

  62. A Treatise on the Geometry of Surfaces by Alfred Barnard Bassett (page images at Cornell)

  63. A Treatise on the Integral Calculus and Its Applications With Numerous Examples (1889 edition) by I. Todhunter (page images at Cornell)

  64. A Treatise on the Line Complex by C. M. Jessop (page images at Cornell)

  65. A Treatise on the Theory of Determinants and Their Applications in Analysis and Geometry by Robert Forsyth Scott (page images at Cornell)

  66. A Treatise on the Theory of Functions by James Harkness and Frank Morley (page images at Cornell)

  67. A Treatise on the Theory of Invariants by Oliver E. Glenn (page images at Cornell)

  68. A Treatise on the Theory of Screws by Robert S. Ball (page images at Cornell)

  69. A Treatise on Universal Algebra, With Applications by Alfred North Whitehead (page images at Cornell)

  70. Briot and Bouquet's Elements of Analytical Geometry of Two Dimensions by M. Briot, trans. by James Harrington Boyd (page images at Cornell)

  71. Cellular Automata and Complexity: Collected Papers by Stephen Wolfram (at wolfram.com)

  72. Chance and Luck by Richard A. Proctor (page images at Cornell)

  73. Common Lisp the Language (second edition) by Guy Steele (HTML at CMU)

  74. Compilers and Compiler Generators: An Introduction with C++ by Pat Terry (HTML, PDF and Postscript with commentary at Rhodes University)

  75. Complete On-Line Works. by Linux Documentation Project (HTML at UNC)

  76. Computers at Risk: Safe Computing in the Information Age by National Research Council Computer Science and Telecommunications Board (page images at NAP)

  77. Computer Programs for Spelling Correction: An Experiment in Program Design by James Lyle Peterson (illustrated HTML at texas.net)

  78. Computer Security Subsystem Interpretation of the Trusted Computer System Evaluation Criteria (version 1, 1988) by National Computer Security Center (HTML at isu.edu)

  79. Computing and Communications in the Extreme: Research for Crisis Management and Other Applications by National Research Council Computer Science and Telecommunications Board (HTML and page images at NAP)

  80. Computing the Future: A Broader Agenda for Computer Science and Engineering by National Research Council Computer Science and Telecommunications Board (Postscript and page images at NAP)

  81. Conic Sections Treated Geometrically by William Henry Besant (page images at Cornell)

  82. Cracking DES: Secrets of Encryption Research, Wiretap Politics and Chip Design (illustrated HTML at jya.com and other sites)

  83. Danny Goodman's AppleScript Handbook (second edition) by Danny Goodman (page images at iuniverse.com)

  84. Designing and Building Parallel Programs by Ian Foster (HTML at anl.gov)

  85. Determinants by Laenas Gifford Weld (page images at Cornell)

  86. Differential and Integral Calculus by Daniel A. Murray (page images at Cornell)

  87. Differential and Integral Calculus by Virgil Snyder and John Irwin Hutchinson
    1. page images at MOA
    2. page images at Cornell

  88. Diophantine Analysis by Robert Daniel Carmichael (page images at Cornell)

  89. DOS 6 Running Start by Alan Simpson (page images at iuniverse.com)

  90. Educating Mathematical Scientists: Doctoral Study and the Postdoctoral Experience in the United States by Mathematics, and Applications National Research Council Commission on Physical Sciences (page images at NAP)

  91. Elementary Illustrations of the Differential and Integral Calculus by Augustus De Morgan (page images at Cornell)

  92. Elementary Textbook on the Calculus by Virgil Snyder and John Irwin Hutchinson (page images at Cornell)

  93. Elementary Theory of Equations by Leonard E. Dickson (page images at Cornell)

  94. Elements by Euclid, ed. by D. E. Joyce, trans. by Thomas Little Heath (illustrated HTML at clarku.edu)

  95. Elements (English and Greek) by Euclid, trans. by Thomas Little Heath (HTML at Perseus)

  96. Elements of Abstract and Linear Algebra by Edwin H. Connell (PDF and Postscript at Miami)

  97. Elements of Descriptive Geometry by Charles Davies (page images at Cornell)

  98. Elements of Dynamic: An Introduction to the Study of Motion and Rest in Solid and Fluid Bodies by William Kingdon Clifford
    1. volume 1: page images at Cornell
    2. volume 2: page images at Cornell

  99. Elements of Geometry and Trigonometry by A. M. Legendre (page images at Cornell)

  100. Elements of the Theory of the Newtonian Potential Function by Benjamin Osgood Peirce (page images at Cornell)

  101. Elliptic Functions by Arthur Latham Baker (page images at Cornell)

  102. Elliptic Integrals by Harris Hancock (page images at Cornell)

  103. Euclid and His Modern Rivals by Lewis Carroll (page images at Cornell)

  104. Euclid's Book on Divisions of Figures by Raymond Clare Archibald (page images at Cornell)

  105. Everybody Counts: A Report to the Nation on the Future of Mathematics Education by National Research Council National Mathematical Sciences Education Board (page images at NAP)

  106. Evolving the High Performance Computing and Communications Initiative to Support the Nation's Information Infrastructure by National Research Council Computer Science and Telecommunications Board (HTML at NAP)

  107. Examples of Differential Equations, With Rules for Their Solution by George A. Osborne (page images at Cornell)

  108. Fields of Force: A Course of Lectures in Mathematical Physics by V. Bjerknes (page images at Cornell)

  109. Finite Collineation Groups by Hans Frederik Blichfeldt (page images at Cornell)

  110. Flatland (second edition) by Edwin A. Abbott
    1. illustrated HTML at Eldritch Press
    2. Gutenberg text with ASCII illustrations

  111. Fragmentation: The Condition, the Cause, the Cure by Craig Jensen (Frame-dependent HTML at execsoft.com)

  112. Functions of a Complex Variable by Thomas Scott Fiske (page images at Cornell)

  113. Functions of a Complex Variable by E. J. Townsend (page images at Cornell)

  114. General Principles of the Method of Least Squares, with Applications by Dana Prescott Bartlett (page images at Cornell)

  115. Generating functionology by Herbert S. Wilf (PDF at Penn)

  116. Grassmann's Space Analysis by E. W. Hyde (page images at Cornell)

  117. Greek Geometry, from Thales to Euclid by George Johnston Allman (page images at Cornell)

  118. Groups of Order p [superscript m] Which Contain Cyclic Subgrous of Order p [superscript m-3] by Lewis Irving Neikirk (page images at Cornell)

  119. Guidelines for Formal Verification Systems by Barbara Mayer and Monica Mcgill Lu (HTML at isu.edu)

  120. Historical Introduction to Mathematical Literature by G. A. Miller (page images at Cornell)

  121. History of Modern Mathematics by David Eugene Smith (page images at Cornell)

  122. Homogeneous Linear Substitutions by Harold Hilton (page images at Cornell)

  123. How to Draw a Straight Line: A Lecture on Linkages by Alfred Bray Kempe (page images at Cornell)

  124. Hyperbolic Functions by James McMahon (page images at Cornell)

  125. Inside Macintosh: Devices by Apple Computer (HTML and PDF at Apple)

  126. Inside Macintosh: Files by Apple Computer (HTML and PDF at Apple)

  127. Inside Macintosh: Imaging With QuickDraw by Apple Computer (illustrated HTML and PDF at Apple)

  128. Inside Macintosh: Interapplication Communication by Apple Computer (HTML and PDF at Apple)

  129. Inside Macintosh: Macintosh Toolbox Essentials by Apple Computer (HTML and PDF at Apple)

  130. Inside Macintosh: Memory by Apple Computer (HTML and PDF at Apple)

  131. Inside Macintosh: More Macintosh Toolbox by Apple Computer (HTML and PDF at Apple)

  132. Inside Macintosh: Networking by Apple Computer (HTML and PDF at Apple)

  133. Inside Macintosh: Operating System Utilities by Apple Computer (HTML and PDF at Apple)

  134. Inside Macintosh: PowerPC Numerics by Apple Computer (HTML and PDF at Apple)

  135. Inside Macintosh: PowerPC System Software by Apple Computer (HTML and PDF at Apple)

  136. Inside Macintosh: Processes by Apple Computer (HTML and PDF at Apple)

  137. Inside Macintosh: QuickDraw GX Environment and Utilities by Apple Computer (illustrated HTML and PDF at Apple)

  138. Inside Macintosh: Sound by Apple Computer (HTML and PDF at Apple)

  139. Inside Macintosh: Text by Apple Computer (HTML and PDF at Apple)

  140. Inside Macintosh (with related volumes) by Apple Computer (illustrated HTML and PDF at Apple)

  141. Inside Macintosh: X-Ref by Apple Computer (HTML and PDF at Apple)

  142. Introduction to Probability (electronic edition) by Charles M. Grinstead and J. Laurie Snell (PDF files at Dartmouth)

  143. Introduction to the Theory of Analytic Functions by James Harkness (page images at Cornell)

  144. Irrational Numbers and Their Representation by Sequences and Series by Henry Parker Manning (page images at Cornell)

  145. Elements of Quaternions by Arthur Sherburne Hardy (page images at Cornell)

  146. Information, Randomness and Incompleteness (second edition, 1990) by Gregory J. Chaitin (Postscript at Maine)

  147. Information-Theoretic Incompleteness by Gregory J. Chaitin (Postscript at Maine)

  148. Introduction to Infinitesimal Analysis by Oswald Veblen (page images at Cornell)

  149. Introductory Treatise on Lie's Theory of Finite Continuous Transformation Groups by John Edward Campbell (page images at Cornell)

  150. Invariance Theory, the Heat Equation, and the Atiyah-Singer Index Theorem (1984) by Peter B. Gilkey (Postscript files at emis.de)

  151. Key to Todhunter's Differential Calculus by Harry St. John Arnele Hunter (page images at Cornell)

  152. LAPACK Users' Guide (second edition, 1995) (HTML at netlib.org)

  153. Larch: Languages and Tools for Formal Specification, ed. by John V. Guttag and James J. Horning (Postscript at MIT)

  154. Lectures Introductory to the Theory of Functions of Two Complex Variables by Andrew Russell Forsyth (page images at Cornell)

  155. Lectures on Elementary Mathematics by J. L. Lagrange (page images at Cornell)

  156. Lectures on Fundamental Concepts of Algebra and Geometry by John Wesley Young (page images at Cornell)

  157. Lectures on Quaternions by William Rowan Hamilton (page images at Cornell)

  158. Lectures on Ten British Mathematicians of the Nineteenth Century by Alexander Macfarlane (page images at Cornell)

  159. Lectures on the Calculus of Variations (the Weierstrassian Theory) by Harris Hancock (page images at Cornell)

  160. Lectures on the Differential Geometry of Curves and Surfaces by Andrew Russell Forsyth (page images at Cornell)

  161. Lectures on the Ikosahedron and the Solution of Equations of the Fifth Degree by Felix Klein (page images at Cornell)

  162. Lectures on the Theory of Elliptic Functions by Harris Hancock (page images at Cornell)

  163. Lectures on the Theory of Functions of Real Variables by James Pierpont
    1. volume 1: page images at Cornell
    2. volume 2: page images at Cornell

  164. Lectures on the Theory of Maxima and Minima of Functions of Several Variables by Harris Hancock (page images at Cornell)

  165. Linear Groups, with an Exposition of the Galois Field Theory by Leonard E. Dickson (page images at Cornell)

  166. Linux Installation and Getting Started by Matt Welsh (HTML at UNC)

  167. Linux Network Administrator's Guide (online edition) by Olaf Kirch (HTML at UNC)

  168. Macintosh Human Interface Guidelines by Apple Computer (illustrated HTML and PDF at Apple)

  169. MacPerl: Power and Ease by Vicki Brown and Chris Nandor, ed. by Rich Morin (HTML at yggdrasil.com)

  170. Massive Data Sets: Proceedings of a Workshop by National Research Council Committee on Applied and Theoretical Statistics (multimedia at NAP)

  171. Mathematica: A System for Doing Mathematics by Computer (first edition, 1988) by Stephen Wolfram (Postscript files at wolfram.com)

  172. Mathematica: A System for Doing Mathematics by Computer (second edition, 1991) by Stephen Wolfram (Postscript files at wolfram.com)

  173. Mathematical Dissertations, For the Use of Students in the Modern Analysis by John Radford Young (page images at Cornell)

  174. Mathematical Sciences, Technology, and Economic Competitivenes, ed. by James G. Glimm (page images at NAP)

  175. Measuring Up: Prototypes for Mathematics Assessment by National Research Council National Mathematical Sciences Education Board (page images and partial Hypercard at NAP)

  176. Measuring What Counts: A Conceptual Guide for Mathematics Assessment by National Research Council National Mathematical Sciences Education Board (page images at NAP)

  177. Modern Instruments and Methods of Calculation, ed. by Ellice Martin Horsburgh (page images at Cornell)

  178. Moths to the Flame: The Seductions of Computer Technology by Gregory J. E. Rawlins (HTML at MIT)

  179. Moving Beyond Myths: Revitalizing Undergraduate Mathematics by National Research Council National Mathematical Sciences Education Board (page images at NAP)

  180. Napier Tercentenary Memorial Volume, ed. by Cargill Gilston Knott (page images at Cornell)

  181. Natural Operations in Differential Geometry by Ivan Kolar, Jan Slovak, and Peter W. Michor (PDF and Postscript at emis.de)

  182. Notes on Roulettes and Glissettes by William Henry Besant (page images at Cornell)

  183. Numerical Recipes in C: The Art of Scientific Computing (second edition) by William H. Press, Saul A. Teukolsky, William T. Vetterling, and Brian P. Flannery
    1. PDF and PostScript at LANL
    2. PDF and PostScript at CMU
    3. Postscript files at Harvard

  184. Numerical Recipes in FORTRAN: The Art of Scientific Computing (second edition) by William H. Press, Saul A. Teukolsky, William T. Vetterling, and Brian P. Flannery
    1. PDF and PostScript at LANL
    2. PDF and PostScript at CMU
    3. Postscript files at Harvard

  185. Object-Oriented System Development (electronic edition) by Dennis De Champeaux, Douglas Lea, and Penelope Faure (HTML at Oswego)

  186. On the Definition of the Sum of a Divergent Series by Louis Lazarus Silverman (page images at Cornell)

  187. Open Distributed Systems by Jon Crowcroft (HTML at RIT)

  188. Open Sources: Voices from the Open Source Revolution, ed. by Chris DiBona, Sam Ockman, and Mark Stone (HTML at oreilly.com)

  189. Ordinary Differential Equations by James Morris Page (page images at Cornell)

  190. PC Housekeeping: Maximizing Your PC by James G. Meade (page images at iuniverse.com)

  191. Petri Net Theory and the Modeling of Systems by James Lyle Peterson (illustrated HTML at texas.net)

  192. Philosophy & Fun of Algebra by Mary Everest Boole (page images at Cornell)

  193. Principles of Object-Oriented Programming in Java 1.1: The Practical Guide to Effective, Efficient Program Design by James W. Cooper (page images at iuniverse.com)

  194. Probability and Theory of Errors by Robert Simpson Woodward (page images at Cornell)

  195. Projective Differential Geometry of Curves and Ruled Surfaces by E. J. Wilczynski (page images at Cornell)

  196. PVM: Parallel Virtual Machine: A Users' Guide and Tutorial for Networked Parallel Computing by Al Geist, Adam Beguelin, Jack Dongarra, Weicheng Jiang, Robert Manchek, and Vaidy Sunderam (HTML at netlib.org)

  197. Quartic Surfaces with Singular Points by C. M. Jessop (page images at Cornell)

  198. Quaternions as the Result of Algebraic Operations by Arthur Latham Baker (page images at Cornell)

  199. Recreations in Science and Natural Philosophy by Jacques Ozanam (page images at Cornell)

  200. RedEdit Reference: For ResEdit 2.1 by Apple Computer (PDF at Apple)

  201. Resampling: The New Statistics by Julian Simon (HTML at UMD)

  202. Researches on Curves of the Second Order by George Whitehead Hearn (page images at Cornell)

  203. Reshaping School Mathematics: A Philosophy and Framework for Curriculum by National Research Council National Mathematical Sciences Education Board (page images at NAP)

  204. Scaling Up: A Research Agenda for Software Engineering by National Research Council Computer Science and Technology Board (page images at NAP)

  205. Selected Writings on the Fourth Dimension. by Charles H. Hinton (HTML at Eldritch Press)

  206. Solutions to Problems Contained in A Treatise on Plane Co-ordinate Geometry by I. Todhunter (page images at Cornell)

  207. Spherical Trigonometry, for the Use of Colleges and Schools (1886 edition) by I. Todhunter (page images at Cornell)

  208. Spinors, Spectral Geometry, and Riemannian Submersions by Peter B. Gilkey, John V. Leahy, and Jeonghyeong Park (Postscript files at emis.de)

  209. Stack Computers: The New Wave by Philip Koopman (HTML at CMU)

  210. State of the Art: Transforming Ideas for Teaching and Learning Mathematics by Carole B. Lacampagne (HTML at ed.gov)

  211. Statistical Software Engineering by National Research Council Panel on Statistical Methods in Software Engineering (HTML at NAP)

  212. Supercomputers: Directions in Technology and Applications by National Research Council Computer Science and Technology Board (page images at NAP)

  213. Synopsis of Linear Associative Algebra by James Byrnie Shaw (page images at Cornell)

  214. Synthetic Projective Geometry by George Bruce Halsted (page images at Cornell)

  215. Templates for the Solution of Linear Systems: Building Blocks for Iterative Methods by Richard Barrett, Michael Berry, Tony Chan, James Demmel, June Donato, Jack Dongarra, Victor Eijkhout, Roldan Pozo, Charles Romine, and Henk Van der Vorst (HTML at netlib.org)

  216. The Algebra of Logic by Louis Couturat, trans. by Lydia Gillingham Robinson (page images at Cornell)

  217. The Algebraic Theory of Modular Systems by Francis Sowerby Macaulay (page images at Cornell)

  218. The Annotated VRML97 Reference Manual by Rikk Carey and Gavin Bell (frame-dependent HTML at best.com)

  219. The Art of Assembly Language Programming by Randall Hyde (HTML at other formats at ucr.edu)

  220. The Complete Hypercard 2.2 Handbook (4th edition, 1998) by Danny Goodman
    1. volume I: page images at iuniverse.com
    2. volume II: page images at iuniverse.com

  221. The Comprehensive Guide to Microsoft Office 97 by Ned Snell
    1. volume 1: page images at iuniverse.com
    2. volume 2: page images at iuniverse.com

  222. The Economy of Machinery and Manufactures by Charles Babbage (text files at McMaster)

  223. The Elements of the Differential Calculus by John Radford Young (page images at Cornell)

  224. The Elements of Non-Euclidean Geometry by Julian Lowell Coolidge (page images at Cornell)

  225. The Evanston Colloquium by Felix Klein (page images at Cornell)

  226. The Foundations of Mathematics: A Contribution to the Philosophy of Geometry by Paul Carus (page images at Cornell)

  227. The Fourth Dimension Simply Explained, ed. by Henry Parker Manning (illustrated HTML at Virginia)

  228. The Future of Statistical Software by National Research Council Committee on Applied and Theoretical Statistics (page images at NAP)

  229. The General Theory of Dirichlet's Series by G. H. Hardy and Marcel Riesz (page images at Cornell)

  230. The Geometrical Lectures of Isaac Barrow by Isaac Barrow (page images at Cornell)

  231. The Hindu-Arabic Numerals by David Eugene Smith and Louis Charles Karpinski (page images at Cornell)

  232. The Java Tutorial (online edition) by Mary Campione and Kathy Walrath (illustrated HTML and Java at javasoft.com)

  233. The Lambda Calculus: Its Syntax and Semantics (revised edition), ed. by Hendrik Pieter Barendregt (frame and cookie-dependent page images at elpress.com)

  234. The Limits of Mathematics by Gregory J. Chaitin (illustrated HTML at Maine)

  235. The Mathematica Book (third edition, 1996) by Stephen Wolfram (Postscript files at wolfram.com)

  236. The Number Concept: Its Origin and Development by Levi Conant (page images at Cornell)

  237. Theories of Parallelism: An Historical Critique by William Barrett Frankland (page images at Cornell)

  238. Theory and Solution of Algebraical Equations of the Higher Orders by John Radford Young (page images at Cornell)

  239. The Outlines of Quaternions by H. W. L. Hime (page images at Cornell)

  240. The Principles of Projective Geometry Applied to the Straight Line and Conic by J. L. S. Hatton (page images at Cornell)

  241. The Psychology of Menu Selection: Designing Cognitive Control at the Human/Computer Interface by Kent L. Norman (HTML at UMD)

  242. The Secret Guide to Computers (22nd edition, 1996) by Russ Walter
    1. zipped Gutenberg Word Perfect files
    2. zipped Gutenberg text files

  243. The Teaching of Elementary Mathematics by David Eugene Smith (page images at Cornell)

  244. The Theory of the Relativity of Motion by Richard Chace Tolman (page images at Cornell)

  245. The Unknowable by Gregory J. Chaitin (illustrated HTML at Maine)

  246. Thinking in Java (prepublication versions, with supplementary material) by Bruce Eckel (PDF, Word, RTF, and zipped text at bruceeckel.com)

  247. Thinking in PostScript by Glen C. Reid (PDF at rightbrain.com)

  248. Tools For Thought: The People and Ideas of the Next Computer Revolution (with all chapters of print edition, and new chapters in progress) by Howard Rheingold (HTML at the WELL)

  249. Trapped in the Net: The Unanticipated Consequences of Computerization by Gene I. Rochlin (HTML at Princeton)

  250. Trilinear Coordinates and Other Methods of Modern Analytical Geometry of Two Dimensions by William Allen Whitworth (page images at Cornell)

  251. Trusted Product Evaluation Questionnaire (version 2, 1989) by National Computer Security Center (HTML at isu.edu)

  252. Trusted UNIX Working Group (TRUSIX) Rationale for Selecting Access Control List Features for the UNIX System by National Computer Security Center (HTML at isu.edu)

  253. Two Geometrical Memoirs on the General Properties of Cones of the Second Degree and on the Spherical Conics by M. Chasles (page images at Cornell)

  254. Understanding DBase 5 for Windows by Alan Simpson and Martin Rinehart
    1. volume 1: page images at iuniverse.com
    2. volume 2: page images at iuniverse.com

  255. Using Visual Basic 4 (delisted: Que books no longer directly accessible) by Jeff Webb, Mike McKelvy, Ronald R. Martinsen, and Taylor Hile Maxwell
  256. An Operating Systems Vade Mecum (second edition) by Raphael A. Finkel
    1. postscript at UKY; over 1M
    2. postscript at UKY; 789k compressed

  257. Utility of Quaternions in Physics by Alexander McAulay (page images at Cornell)

  258. Vector Analysis and Quaternions by Alexander Macfarlane (page images at Cornell)

  259. Virtual Reality: Scientific and Technological Challenges, ed. by Nathaniel I. Durlach and Anne S. Mavor (page images at NAP)

  260. Warren's Abstract Machine: A Tutorial Reconstruction by Hassan Ait-Kaci (PDF at sfu.ca)

  261. William Oughtred, A Great Seventeenth-Century Teacher of Mathematics by Florian Cajori (page images at Cornell)