JavaScript Calculator

• A simple Calculator that has four operation

Instructions

In this calculator we can do four opration in Numbers. That Numbers can be integer or float. Between Two number we should add Operation sign that do Operation.

Calculator architecture

• For buliding of this calculator we use HTML,CSS and mainly javascript

Page information

• This calculator has one page that all operation and numbers include to this page

Keywords that using in this calculator

• A class by the name of calculator
• Clear function that clear number in current number
• Delete function that delete the last number in the display
• ChooseOperation that choose operation between four exsit operation
• Getdisplay number that show numbers and do not allow (.) and zero number
• Updatedisplay that show operation in the display
• Constant This variables are defined for getting numbers and operations in from calculator