Copy a formula from Windows 7 Math Input Panel to the clipboard using Powershell 2.0

MathML.ps1

Add-Type -AssemblyName PresentationCore
$ dataObject = [Windows.Clipboard] :: GetDataObject ()
$ memoryStream = $ dataObject.GetData ("MathML")
if ($ memoryStream) {
    $ streamReader = [System.IO.StreamReader] ($ memoryStream)
    $ mathML = $ streamReader.ReadToEnd ()
    [Windows.Clipboard] :: SetText ($ mathML)
}

Launch
powershell.exe -noprofile -sta -command .\MathML.ps1