The PI function is a Math & Trigonometry Function. Learn how to use the PI function in Excel, or how to multiply by PI, using this tutorial.

How to Use PI in Excel. The mathematical constant "pi" represents the ratio between a circle's circumference and diameter. If your business needs to perform geometric calculations, such as ...

Although the number π ( pi ) is a constant widely used in mathematics, physics, and other disciplines, there is no physical or virtual keyboard key that allows you to type the symbol directly. In this ...