- https://doi.org/10.5951/mtlt.2019.0016
Pi
- Mar 1, 2020
- Mathematics Teacher: Learning and Teaching PK-12
- Joe F Allison
Abstract
When I was in graduate school, my math professor, using a straightedge and a compass, marked off a unit distance and then halved it. He said he could halve the exact ½ again and exactly get ¼. He was leading up to infinite series.