JavaScript | A simple calculator

By SAHIN AKTAR MONDAL

Here I design a simple calculator using JavaScript, HTML, and CSS, here you can calculate basic calculations.

in this packet, I have three files one for HTML and one for CSS and the other one is for javascript.in HTML I design the structure of the calculator and in CSS I make it colorful and attractive, after the completion of designing I write some script or javascript code for the work condition of the calculator.

I have used some functions like getHistor for taking  first values for calculation as history, and