Pi: Circles in Geometry
Grade school geometry doesn’t have to get into a detailed lesson on Pi to communicate the basics of this constant.
Terminology
Millenium Mix-up?
A discussion on the T2T mailing list recently prompted the comment, “I hate to get technical, but the new millennium doesn’t actually begin until the year 2001…” Other members quickly responded, not understanding why the new millennium won’t begin on January 1, 2000. We felt that we should clarify.