Javascript calculator codepen

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  • How to create simple calculator in javascript

    • Write a html and javascript program to create a simple calculator!

    JavaScript Calculator

    performs mathematical operations like – Addition, Subtraction, Multiplication, Division, etc.

    Javascript-calculator github

  • Addition calculator in javascript
  • Write a html and javascript program to create a simple calculator
  • Simple calculator program in javascript using functions
  • Javascript calculator

    • HTML, CSS, and HTML creates basic structure of the calculator. Also, Math.js evaluates the calculations.

     

    • HTML Table creates a grid structure and <input type=”button”> adds the buttons on the grid.
    • <input type=”text”> adds an input text field to display the expression.
    • When the user clicks on the button, the button value will display on the input field.
    • When the equal button ( = ) is clicked, solve() function is called and evaluates the expression, and displays the result on the input text field.
    • The button “c” is used to clear the text input field.

      When the button is clicked, the clr() function is called, and it resets the value to empty.

    • The solve() function uses Math.js evaluate() function to evaluate the mathematical expression.

    Complete Code

    HTML

     
     

    Output:

    JS Calculator



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