Category: Free Online Math Materials

Gratis, and sometimes libre, books, software, etc.

Pirouette

By Andrew D. Hwang on June 28, 2025

Pirouette is a Spirograph clone (sample gallery) with a larger number of gears, 30 standard…

By Andrew D. Hwang on June 27, 2025

Lectures on Elementary Mathematics is an 1898 translation by Thomas J. McCormack of lectures delivered…

By Andrew D. Hwang on June 25, 2025July 5, 2025

Space, Time and Gravitation by Sir Arthur Eddington, completed at Distributed Proofreaders (DP) in 2009,…

By Andrew D. Hwang on June 24, 2025July 5, 2025

This installment of Free Online Math Materials dips into physics to bring you two Project…

By Andrew D. Hwang on June 23, 2025

The ebook Leçons de Géométrie Supérieure (Lectures on Higher Geometry) by Ernest Vessiot comprises notes…