This Thursday is Pi Day, the one day of the year devoted to a mathematical constant (it also happens to be Einstein’s birthday). We all learned as kids about how special pi is and have since accepted ...

On today, which is Pi Day, each theme answer has the initials P.I.

Dear mathematicians, scientists, and pie lovers of the world, your day has arrived! We are officially less than a week away from Pi Day 2024. Whether you like apple pie, pizza pie, math, or all of the ...