Create your Own Calculator by using Command Prompt in windows is such a creative thing, Just Follow some simple steps and make your own calculator by using Command Prompt CMD.
Follow Some simple steps to create a Calculator by using Command Prompt.
Step 1: Open Notepad
Type in Windows search bar “Notepad” then you’ll get the Notepad in the list of programs.
Step 2: Paste Below Code in Notepad
@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!
Step 3: Save File in Notepad.
Save Notepad File by clicking on File>>Save As>>Calculator.bat
.Bat is a File Extension it can’t be changed but you can set any name at the place of Calculator if you want to change the File’s Name.
Step 4: Double Click on the Calculator.bat file and you will get a CMD window.
Step 5: Follow Instruction as seen in below Screenshot and your answer will be displayed.