Gui, Add, Picture,x0 y0, C:\TrigCalcBackground.bmp
Gui, Show, x22 y29 h285 w474, Trigonometry Calculator
WinSet, AlwaysOnTop, ON, Trigonometry Calculator ; the always-on-top status of Trigonometry Calculator
Run, %SystemRoot%\System32\calc.exe
WinWaitActive, Calculator
WinSet, TransColor, C0C0C0, Trigonometry Calculator ; Make all silver pixels invisible when NA becomes active.
Return
GuiClose:
ExitApp