How to crate calculator in your notepad

INTRO: HOW TO MAKE A CALCULATOR IN NOTEPAD

My version of this calculator below.

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STEP 1: OPEN NOTEPAD

Open Note pad

STEP 2: Type this (you dont need spaces)

@echo off

setlocal EnableDelayedExpansion

mode 30,10

:calc

cls

echo Add = +

echo Subtract = -

echo Divide = /

echo Multiply = *

echo Put your question here:

set /p equ=

set /a equ=!equ!

cls

echo Answer:!equ!

pause

goto calc

STEP 3: HOW TO SAVE THE PROGRAM

Save as calculator.bat

(bat) - means batch file

a batch file is illegal to send over the internet so send as a text file...

or convert to an exe file which will make it an application.