How to Make a Command Prompt Calculator

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Making calculations using Windows calculator can get very tedious. Creating your own Command prompt calculator will make your life much easier.

Steps

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  1. Click the Start menu and type "notepad". This will be the first option.
  2. Highlight the entire code, right-click it, and click Copy .
    • @echo off
    • :start
    • Echo Press 1 for Addition
    • echo Press 2 for Subtraction
    • echo Press 3 for Multiplication
    • echo Press 4 for Division
    • echo Press 5 to Quit
    • set /p type=
    • if %type%==1 goto a
    • if %type%==2 goto b
    • if %type%==3 goto c
    • if %type%==4 goto d
    • if %type%==5 goto e
    • :a
    • echo Addition
    • echo Please choose the 2 numbers you wish to add
    • set /p num1=
    • set /p num2=
    • echo %num1%+%num2%?
    • pause
    • set /a Answer=%num1%+%num2%
    • echo %Answer%
    • pause
    • goto start
    • :b
    • echo Subtraction
    • echo Please choose the 2 numbers you wish to subtract
    • set /p num1=
    • set /p num2=
    • echo %num1%-%num2%?
    • pause
    • set /a Answer=%num1%-%num2%
    • echo %Answer%
    • pause
    • goto start
    • :c
    • echo Multiplication
    • echo Please choose the 2 numbers you wish to multiply
    • set /p num1=
    • set /p num2=
    • echo %num1%*%num2%?
    • pause
    • set /a Answer=%num1%*%num2%
    • echo %Answer%
    • pause
    • goto start
    • :d
    • echo Division
    • echo Please choose the 2 numbers you wish to divide
    • set /p num1=
    • set /p num2=
    • echo %num1%/%num2%?
    • pause
    • set /a Answer=%num1%/%num2%
    • echo %Answer%
    • pause
    • goto start
    • :e
    • echo. Done!
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  3. Right-click the empty area in the Notepad and click Paste .
  4. Click File , and then click Save As... .
    • Change the "Save as type" box to "All Files"
    • Type "anything.bat" into file name and click "Save".
  5. This will open it. You'll see a window with listed instructions.
  6. Your answer will be displayed.
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Community Q&A

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  • Question
    Do I save this code on the desktop?
    Community Answer
    You can, yes.
    Thanks! We're glad this was helpful.
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    Not Helpful 3 Helpful 11
  • Question
    Why are the decimal places not shown for division?
    Community Answer
    The set /a command (used for doing the mathematical operations) cannot display decimal places, so it rounds it down in all cases.
    Thanks! We're glad this was helpful.
    Thank you for your feedback.
    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
    Yes No
    Not Helpful 2 Helpful 13
  • Question
    Step 4 is done. What do we have to do in step 5?
    Community Answer
    Try it out!
    Thanks! We're glad this was helpful.
    Thank you for your feedback.
    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
    Yes No
    Not Helpful 2 Helpful 9
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