Public-domain math and physics books

Books we read closely: each one's provenance, its chapters, its problems with the printed answers checked by computation, and the errata we found, with the evidence for each.

• Mathematical Recreations and Essays Walter William Rouse Ball, 1905 14 chapters, 0 problems, 0 errata
• Elements of Plane Trigonometry Hugh Blackburn, 1863 10 chapters, 0 problems, 0 errata
• A First Book in Algebra Wallace Clarke Boyden, 1895 15 chapters, 1386 problems, 65 errata
• Elementary Illustrations of the Differential and Integral Calculus Augustus De Morgan, 1899 44 chapters, 0 problems, 0 errata
• First Course in the Theory of Equations Leonard Eugene Dickson, 1922 11 chapters, 439 problems, 0 errata
• A Course of Pure Mathematics Godfrey Harold Hardy, 1921 14 chapters, 1304 problems, 0 errata
• Vector Analysis and Quaternions Alexander Macfarlane, 1906 10 chapters, 62 problems, 0 errata
• An Elementary Treatise on Electricity James Clerk Maxwell, 1888 13 chapters, 0 problems, 0 errata
• Treatise on Thermodynamics Max Planck, 1903 14 chapters, 0 problems, 0 errata
• Solid Geometry with Problems and Applications H. E. Slaught, N. J. Lennes, 1919 9 chapters, 0 problems, 0 errata
• Calculus Made Easy Silvanus Phillips Thompson, 1914 25 chapters, 317 problems, 43 errata
• Spherical Trigonometry, for the Use of Colleges and Schools Isaac Todhunter, 1886 16 chapters, 149 problems, 0 errata
• The First Steps in Algebra George Albert Wentworth, 1894 15 chapters, 1370 problems, 27 errata
• Plane Geometry George Albert Wentworth, 1899 6 chapters, 0 problems, 0 errata
• An Introduction to Mathematics Alfred North Whitehead, 1911 19 chapters, 0 problems, 0 errata