You can also use pi to calculate the surface area or volume of curved solids and for more complex mathematics, including trigonometry. Many people approximate pi as 3.14, but Excel stores the ...

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.

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 ...