PowerShell is a powerful mathematics calculator. In fact, PowerShell has an entire Windows class dedicated to mathematics calculations that can be called by using the `[System.Math]`

.NET class. When you are working with the `[System.Math]`

classes, it is common to call *static fields* within a class. Static fields are static properties, methods, and objects that can be called to display data or do actions. To call a static field, you call the `[Math] `

(shortened version of `[System.Math]`

) class, followed by two colons `::`

and the static field name.

To use the math operation to calculate pi, execute the following command:

**[math]::pi**

The output of this is shown in the following screenshot:

This simple command will provide *PI ...*

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