Celebrate Pi Day with pie!... READ ON
Any high school geometry student worth his or her protractor knows that pi is an irrational number, but if you’ve got to approximate the famed ratio, 3.14 will work in a pinch. That wasn’t so much the case in late-19th-century Indiana, though.... READ ON
Pi Day offers something for the math-lover and baked-goods lover. What about the word lover?... READ ON
Here are some wonderful Pi Day pies you might try this year.... READ ON
The eye chart with the big "E" on top is called a Snellen Chart.