Upper(String)

Upper returns the expression it has been given with all letters set to upper case.

Return Value:
The same string with letters a-z set to upper case (capitals).

Example:

print(upper("Hello!")$)

HELLO!

Notes:

• Depending on the platforms, upper might return incorrect results for accentuated characters.
• On the Internet, writing words all in upper case is associated with shouting and can be considered rude if used to often!