| Preface | |
| 1 | John Napier, 1614 | 3 |
| 2 | Recognition | 11 |
| 3 | Financial Matters | 23 |
| 4 | To the Limit, If It Exists | 28 |
| 5 | Forefathers of the Calculus | 40 |
| 6 | Prelude to Breakthrough | 49 |
| 7 | Squaring the Hyperbola | 58 |
| 8 | The Birth of a New Science | 70 |
| 9 | The Great Controversy | 83 |
| 10 | e[superscript x]: The Function That Equals its Own Derivative | 98 |
| 11 | e[superscript theta]: Spira Mirabilis | 114 |
| 12 | (e[superscript x] + e[superscript -x])/2: The Hanging Chain | 140 |
| 13 | e[superscript ix]: "The Most Famous of All Formulas" | 153 |
| 14 | e[superscript x + iy]: The Imaginary Becomes Real | 164 |
| 15 | But What Kind of Number Is It? | 183 |
| App. 1. Some Additional Remarks on Napier's Logarithms | 195 |
| App. 2. The Existence of lim (1 + 1/n)[superscript n] as n [approaches] [infinity] | 197 |
| App. 3. A Heuristic Derivation of the Fundamental Theorem of Calculus | 200 |
| App. 4. The Inverse Relation between lim (b[superscript h] - 1)/h = 1 and lim (1 + h)[superscript 1/h] = b as h [approaches] 0 | 202 |
| App. 5. An Alternative Definition of the Logarithmic Function | 203 |
| App. 6. Two Properties of the Logarithmic Spiral | 205 |
| App. 7. Interpretation of the Parameter [phi] in the Hyperbolic Functions | 208 |
| App. 8. e to One Hundred Decimal Places | 211 |
| Bibliography | 213 |
| Index | 217 |