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Minimal Calculator App With jQuery And Bootstrap 4

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License: MIT
   
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Chrome, IE9+, FireFox, Opera, Safari#bootstrap 4#Calculator
Minimal Calculator App With jQuery And Bootstrap 4

This is a minimal, elegant, online calculator web app built using jQuery, Bootstrap framework and math.js math library.

How to use it:

1. Load the necessary JavaScript libraries and style sheets in the html document.

<!-- Boostrap -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb" crossorigin="anonymous">

<!-- JavaScript -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/3.17.0/math.min.js"></script>
<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>

<!-- Font Awesome -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">

2. Load the Calculator App's files in the document.

<link rel="stylesheet" href="css/style.css">
<script src="js/main.js" type="text/javascript"></script>

3. The main HTML for the Calculator App.

<div class="container">

  <!-- Rounded switch -->
  <label class="switch">
      <input type="checkbox">
      <span class="slider"></span>
  </label>
  
  <form>
      <input readonly id="display1" type="text" class="form-control-lg text-right">
      <input readonly id="display2" type="text" class="form-control-lg text-right">
  </form>
  
  <div class="d-flex justify-content-between button-row">
      <button id="left-parenthesis" type="button" class="operator-group">&#40;</button>
      <button id="right-parenthesis" type="button" class="operator-group">&#41;</button>
      <button id="square-root" type="button" class="operator-group">&#8730;</button>
      <button id="square" type="button" class="operator-group">&#120;&#178;</button>
  </div>

  <div class="d-flex justify-content-between button-row">
      <button id="clear" type="button">&#67;</button>
      <button id="backspace" type="button">&#9003;</button>
      <button id="ans" type="button" class="operand-group">&#65;&#110;&#115;</button>
      <button id="divide" type="button" class="operator-group">&#247;</button>
  </div>
  

  <div class="d-flex justify-content-between button-row">
      <button id="seven" type="button" class="operand-group">&#55;</button>
      <button id="eight" type="button" class="operand-group">&#56;</button>
      <button id="nine" type="button" class="operand-group">&#57;</button>
      <button id="multiply" type="button" class="operator-group">&#215;</button>
  </div>

  
  <div class="d-flex justify-content-between button-row">
      <button id="four" type="button" class="operand-group">&#52;</button>
      <button id="five" type="button" class="operand-group">&#53;</button> 
      <button id="six" type="button" class="operand-group">&#54;</button> 
      <button id="subtract" type="button" class="operator-group">&#8722;</button>
  </div>

  
  <div class="d-flex justify-content-between button-row">
      <button id="one" type="button" class="operand-group">&#49;</button> 
      <button id="two" type="button" class="operand-group">&#50;</button>
      <button id="three" type="button" class="operand-group">&#51;</button>
      <button id="add" type="button" class="operator-group">&#43;</button>
  </div>

  <div class="d-flex justify-content-between button-row">
      <button id="percentage" type="button" class="operand-group">&#37;</button>
      <button id="zero" type="button" class="operand-group">&#48;</button>
      <button id="decimal" type="button" class="operand-group">&#46;</button>
      <button id="equal" type="button">&#61;</button>
  </div>

</div>

This awesome jQuery plugin is developed by PictureElement. For more Advanced Usages, please check the demo page or visit the official website.