| ARITHMETICAL PROBLEMS |
| 1. Archimedes' Problem Bovinum |
| 2. The Weight Problem of Bachet de Méziriac |
| 3. Newton's Problem of the Fields and Cows |
| 4. Berwick's Problem of the Seven Sevens |
| 5. Kirkman's Schoolgirl Problem |
| 6. The Bernoulli-Euler Problem of the Misaddressed Letters |
| 7. Euler's Problem of Polygon Division |
| 8. Lucas' Problem of the Married Couples |
| 9. Omar Khayyam's Binomial Expansion |
| 10. Cauchy's Mean Theorem |
| 11. Bernoulli's Per Sum Problem |
| 12. The Euler Number |
| 13. Newton's Exponential Series |
| 14. Nicolaus Macerator's Logarithmic Series |
| 15. Newton's Sine and Cosine Series |
| 16. André's Derivation of the Secant and Tangent Series |
| 17. Gregory's Arc Tangent Series |
| 18. Buffon's Needle Problem |
| 19. The Fermat-Euler Prime Number Theorem |
| 20. The Fermat Equation |
| 21. The Fermat-Gauss Impossibility Theorem |
| 22. The Quadratic Reciprocity Law |
| 23. Gauss' Fundamental Theorem of Algebra |
| 24. Sturm's Problem of the Number of Roots |
| 25. Abel's Impossibility Theorem |
| 26. The Hermite-Lindemann Transcendence Theorem |
| PLANIMETRIC PROBLEMS |
| 27. Euler's Straight Line |
| 28. The Feuerbach Circle |
| 29. Castillon's Problem |
| 30. Malfatti's Problem |
| 31. Monge's Problem |
| 32. The Tangency Problem of Apollonius |
| 33. Mascheroni's Compass Problem |
| 34. Steiner's Straight-edge Problem |
| 35. The Delian Cube-doubling Problem |
| 36. Trisection of an Angle |
| 37. The Regular Heptadecagon |
| 38. Archimedes' Determination of the Number Pi |
| 39. Fuss' Problem of the Chord-Tangent Quadrilateral |
| 40. Annex to a Survey |
| 41. Alhazen's Billiard Problem |
| PROBLEMS CONCERNING CONIC SECTIONS AND CYCLOIDS |
| 42. An Ellipse from Conjugate Radii |
| 43. An Ellipse in a Parallelogram |
| 44. A Parabola from Four Tangents |
| 45. A Parabola from Four Points |
| 46. A Hyperbola from Four Points |
| 47. Van Schooten's Locus Problem |
| 48. Cardan's Spur Wheel Problem |
| 49. Newton's Ellipse Problem |
| 50. The Poncelet-Brianchon Hyperbola Problem |
| 51. A Parabola as Envelope |
| 52. The Astroid |
| 53. Steiner's Three-pointed Hypocycloid |
| 54. The Most Nearly Circular Ellipse Circumscribing a Quadrilateral |
| 55. The Curvature of Conic Sections |
| 56. Archimedes' Squaring of a Parabola |
| 57. Squaring a Hyperbola |
| 58. Rectification of a Parabola |
| 59. Desargue's Homology Theorem (Theorem of Homologous Triangles) |
| 60. Steiner's Double Element Construction |
| 61. Pascal's Hexagon Th |
| 62. Brianchon's Hexagram Theorem |
| 63. Desargues' Involution Theorem |
| 64. A Conic Section from Five Elements |
| 65. A Conic Section and a Straight Line |
| 66. A Conic Section and a Point |
| STEREOMETRIC PROBLEMS |
| 67. Steiner's Division of Space by Planes |
| 68. Euler's Tetrahedron Problem |
| 69. The Shortest Distance Between Skew Lines |
| 70. The Sphere Circumscribing a Tetrahedron |
| 71. The Five Regular Solids |
| 72. The Square as an Image of a Quadrilateral |
| 73. The Pohlke-Schwartz Theorem |
| 74. Gauss' Fundamental Theorem of Axonometry |
| 75. Hipparchus' Stereographic Projection |
| 76. The Mercator Projection |
| NAUTICAL AND ASTRONOMICAL PROBLEMS |
| 77. The Problem of the Loxodrome |
| 78. Determining the Position of a Ship at Sea |
| 79. Gauss' Two-Altitude Problem |
| 80. Gauss' Three-Altitude Problem |
| 81. The Kepler Equation |
| 82. Star Setting |
| 83. The Problem of the Sundial |
| 84. The Shadow Curve |
| 85. Solar and Lunar Eclipses |
| 86. Sidereal and Synodic Revolution Periods |
| 87. Progressive and Retrograde Motion of the Planets |
| 88. Lambert's Comet Problem |
| EXTREMES |
| 89. Steiner's Problem Concerning the Euler Number |
| 90. Fagnano's Altitude Base Point Problem |
| 91. Fermat's Problem for Torricelli |
| 92. Tacking Under a Headwind |
| 93. The Honeybee Cell (Problem by Réaumur) |
| 94. Regiomontanus' Maximum Problem |
| 95. The Maximum Brightness of Venus |
| 96. A Comet Inside the Earth's Orbit |
| 97. The Problem of the Shortest Twilight |
| 98. Steiner's Ellipse Problem |
| 99. Steiner's Circle Problem |
| 100. Steiner's Sphere Problem |
| Index of Names |