### 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.

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