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David Joyner uses mathematical toys such as the Rubik's Cube to make abstract algebra and group theory fun. The updated second edition uses SAGE, an open-source computer algebra system, to illustrate many of the computations.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.