Category: Free Online Math Materials

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

ePiX: Drawing for LaTeX

By Andrew D. Hwang on August 25, 2025August 26, 2025

In 1999, I wrote some *nix software in C to create simple function plots for…

By Andrew D. Hwang on July 16, 2025July 17, 2025

As noted in the short post on thermodynamics, prior to 2018, the 95-year limit on…

By Andrew D. Hwang on July 15, 2025July 16, 2025

Although my digitization work for Project Gutenberg primarily focused on mathematics, I also contributed a…

By Andrew D. Hwang on July 12, 2025

Awareness of philosophy of mathematics came to me late in life. (This is a confession,…

By Andrew D. Hwang on July 11, 2025July 12, 2025

Science and mathematics work “from opposite sides” to align reality with human conceptions of reality:…