The abacus has been around for several thousand years, and it is an efficient and interesting counting machine. The standard abacus can be used to perform addition, subtraction, division, and multiplication, along with...

Math educators and aficionados may be interested in Celebratio Mathematica, an open-access digital publication that "celebrates mathematics and related fields, and their people." Visitors to this project will find...

Those curious about how science and scientific knowledge have developed over time will want to check out Crash Course History of Science. Launched in March 2018, this video series is one of the newest additions to...

This page, by historians Tracy Lai and Ileana Leavans and mathematician Lawrence Morales at Seattle Central Community College, presents a course which incorporates anthropology, history, and art into math education. ...

It's hard to believe it's all free! This trove of information from thefreedictionary.com offers all sorts of information on math. From algebra and integers to derivatives and polynomials, it's all here. By scrolling over...