In the absence of a decimal number system and representations for square roots, Archimedes estimated the value of pi using inscribed and circumscribed polygons to a circle.
Martin V. Bonsangue
Taehoon Choi and Dae S. Hong
Using iPad's GeoGebra app with the Snell-Huygens method significantly improves Archimedes's process of approximating Pi.
Students analyze a photograph to solve mathematical questions related to the images captured in the photograph. This month, photographs of the Salvador Dali Museum in St. Petersburg, Florida, serve a generous helping of pi from the editors.