In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at 3.0303—which is not 3.14—but it's not terrible for just 100 needles. With ...

This day only comes 'round' once every year!

Each March 14 (3/14) mathematicians and science enthusiasts celebrate Pi Day, honoring the mathematical constant π (pi).