• This is a work in progress and nowhere close to completion

Some paragraphs are coherent; others are not. Sometimes paragraphs are only a phrase or a note to myself. Nothing has been professionally edited.

• It is best viewed on a desktop or laptop computer

I've been developing the pages in Edge using Visual Studio Code running under Windows 11 on a Microsoft Surface Pro 9. I've also been testing the pages in Chrome on that machine, and in Safari on a Mac Mini running Sequoia, and in Chrome (version 126, it says) on an Asus Chromebook.

However, my iPad Mini running iOS 12.5.7 has several problems with these webpages, and the pages often become quite awkward on phones.

Part I. The Book of Vlacq

Part II. In the Service of Trigonometry

Chapter 8. Calculating Manhattanhenge

Part III. Mathematicians at Work

Chapter 10. Countdown to the Apocalypse

Chapter 11. Conceiving the Logarithm

Chapter 12. Napier’s Handoff to Briggs

Chapter 13. e, Naturally

Part IV. Logarithms Everywhere

Chapter 16. Log and Log-Log Phenomena

Chapter 17. Time and Space

Chapter 18. Sound and Music

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Back Matter