Assertion: keyboard's key | /r/CapableOf | add exponent symbol
Facets:
value: after letter
type: OTHER
value: after a number
type: OTHER
Source sentences:
text: To add an exponent symbol after a number or letter when using a Windows operating system, the alt key should be held down and the code 0176, 0185, 0178 or 0179 should be pressed.