How to Build Virtual Calculator using NOTEPED



How to Build Virtual Calculator using NOTEPED

Using this calculator we can perform Addition, Subtraction, multiplication, division operation. 

Step 1: Open notepad and paste the below code.

 @echo off
title Wattru Calculator
color 3f
:top
echo --------------------------------------------------------------
echo Welcome to Wattru Calculator
echo --------------------------------------------------------------
echo.
set /p sum=
set /a ans=%sum%
echo.
echo = %ans%
echo --------------------------------------------------------------
pause
cls
echo Previous Answer: %ans%
goto top
pause
exit

Step 2: save this file as extension .bat.

 Step 3: Now open that folder, and use your Virtual Keyboard.

       If you want to change the color of background simply change this color value…….



You change only this value and you see other colors 

Write color 5f 

Some values are… 

1f,2f,3f,4f,5f,6f,7f,8f,9f,fa,fb,fc,fd,fe.

 Open that folder again and see the color…