The circumference of a circle is the distance around the shape. The ability to round a number to a number of decimal places or to a number of significant figures means that answers can be written to ...

Brian Resnick was Vox’s science and health editor and is the co-creator of Unexplainable, Vox’s podcast about unanswered questions in science. March 14 is a date that coincidentally spells out the ...

It's Pi Day! Happy Pi Day, everyone! No, not that pie. The other Pi. This one. Pi, as you might remember from your High School math class, is a a finite number used to calculate the ratio of a ...

This story originally appeared on the Conversation and is reprinted here with permission. Happy Pi Day, where we celebrate the world’s most famous number. The exact value of π=3.14159… has fascinated ...

Just a quick Pi Day pointer, math teachers: be sure to remind students that Pi is a constant rather than a variable. The misconception that it’s a variable comes in part from the fact that we often ...

SAN FRANCISCO -- Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign Pi. That's because the date written numerically ...

Happy Pi Day! We celebrate pi on March 14 because 3-14 gives the first three digits of this famous number. But what’s the big deal about pi anyway? Why does it get a day? Well, for starters, it ...