Located on the Ariege River in the south of France, the town of Pamiers is an important part of the attractive rural setting in these parts. Some may find it surprising that the town was where a key text in the history of mathematics was written almost 600 years ago. This wonderful feature from the Mathematical Association of America's "Loci" feature describes the Pamiers Manuscript and its...

Theoretical mathematicians, behold the wondrous Metamath Proof Explorer! This site consists of interconnected Webpages containing over 3,000 completely worked out proofs in logic and set theory. "Each proof is pieced together with razor-sharp precision using simple rules, allowing almost anyone with a technical bent to follow it without difficulty. With point-and-click links, every step can be...