But the meaning behind that symbol goes a little further. According to Live Science, the Pi symbol is meant to represent the idea of Pi as it pertains to a river. "A river's windiness is ...

Pi, represented by the symbol π, is one of the most famous and important constants in mathematics. It is defined as the ratio ...

JAMES GRIME: So as everyone knows from school, pi is used to calculate the circumference of a circle. The formula for the circumference of a circle is pi times the diameter of the circle. Now, if you ...