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Calculations On Command Prompt

The command processor CMD.EXE comes with a mini-calculator that can perform simple arithmetic on 32-
bit signed integers:


C:\>set /a 2+2
4
C:\>set /a 2*(9/2)
8
C:\>set /a (2*9)/2
9
C:\>set /a "31>>2"
7




Note that we had to quote the shift operator since it would otherwise be misinterpreted as a "redirect stdout
and append" operator.
For more information, type set /? at the command prompt

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