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Command Prompt Calculator

Discussion in 'Windows' started by pradeep, Aug 10, 2007.

  1. pradeep

    pradeep Team Leader

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

    shabbir Administrator Staff Member

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    I didn't know that. Interesting.
     

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