
1. Open Windows Explorer ( tip: press [left Windows-key]+[e] )

2. Go to the Windows folder and scroll down until you see "CALC.EXE"
	(... or use Windows search)

3. Drag "Calc" from Explorer onto a free RK-button
	Make the test - if you want - and click the new CALC-button,
	and click the button while pressing [Ctrl] to view the button assignment.
	Drag & Drop can also be made into the Assign area from "Edit Keys".

(Under XP you will find Calc.exe in the Windows\System32 folder)
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