Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...

Who needs the Wayback Machine when you have a Pi?

For more than two millennia, mathematicians have produced a growing heap of pi equations in their ongoing search for methods to calculate pi faster and faster. The pile of equatio ...

Thanks to this tool, my Raspberry Pi lets me know the second a new device joins my network, which makes my whole setup easier ...