http://blogs.technet.com/heyscriptingguy/archive/2010/03/06/hey-scripting-guy-march-6-2010.aspx The key to unlocking the ability of Windows PowerShell to create useful formulas is to leverage the static methods from the system.math class. You can easily see them by using the Get-Member cmdlet, as shown here: PS C:\> [math] | Get-Member -Static | Format-Table name, membertype -AutoSize Name MemberType —- ———- Abs Method Acos Continue reading “#PowerShell mathematical calculations”