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 ...

It’s Pi Day, the nerdiest of holidays because it’s all about a mathematical constant that represents the ratio of a circle’s circumference to its diameter (yes ...

Now for the important part. Today, as you may know, is Pi Day. Why today? Because it’s March 14—yes, 3/14—and 3.14 is the value of pi to two decimals. Of course, the actual number continues to an ...

March 14, National Pi Day, honors 3.14 (π) the ratio of the circumference of a circle. Whether you're challenging yourself to find how many decimal placements are actually in Pi (π) or you're eating ...