= Introduction to Arithmetic by Nicomachus (Hahn teacher edition)
{c}
{tag=Work by Nicomachus}
{tag=Work by Martin Luther D'Ooge}
{tag=Work by Nathanael Hahn}
{title2=2025}
By <Nicomachus>; translated by <Martin Luther D'Ooge> in 1926, and revised for classroom use by <Nathanael Hahn> in 2025. The editor's note distinguishes the translated text from added headings, introductions, footnotes, images and exercises. Our citations refer to the translated mathematical passages.
Online text: https://stoicheiamath.com/wp-content/uploads/2025/09/Nicomachus-Introduction-to-Arithmetic-Teacher-Edition.pdf
Cited passages: Book II, Chapter 8, printed pp. 63–64 (PDF pages 68–69), describes triangular rows; Chapter 12, §§1–2, printed p. 70 (PDF page 75), combines consecutive triangular counts into squares; Chapter 20, §5, printed p. 75 (PDF page 80), groups consecutive odd integers into cubes. Publication and contributor credits appear on PDF page 2; notes distinguishing editorial additions appear on PDF page 3.
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