I first started teaching Geometry last year and have taken over "Informal Geometry" this year. As the name of the second class implies, the idea of formal proof is strongly de-emphasized; this class ...

SCREF copy Purchased with Adopt-a-Book funds. An eye-opening narrative of how geometric principles fundamentally shaped our world. On a cloudy day in 1413, a balding young man stood at the entrance to ...

It is often said that the most influential book in the history of Western thought is Euclid’s mathematical treatise “Elements.” The work of a Greek mathematician living in Alexandria around the year ...