index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Optimal Commitment Calculator</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      margin: 20px;
    }
    input, button {
      margin: 5px 0;
    }
    label {
      display: block;
      margin-top: 10px;
    }
    .result {
      margin-top: 20px;
      font-weight: bold;
    }
  </style>
</head>
<body>
  <h1>Optimal Commitment Calculator</h1>
  <form id="calculator-form">
    <label for="currency">Currency:</label>
    <select id="currency" name="currency">
        <option value="USD">$</option>
        <option value="GBP">£</option>
    </select>

    <label for="usage">Historical Usage (comma separated):</label>
    <input type="text" id="usage" required>
    
    <label for="discountedRate">Discounted Rate:</label>
    <input type="number" id="discountedRate" step="0.01" required>
    
    <label for="fullPrice">Full Price:</label>
    <input type="number" id="fullPrice" step="0.01" required>
    
    <button type="button" onclick="calculateOptimalCommitment()">Calculate</button>
  </form>
  
  <div class="result" id="result"></div>
  <a class="result" id="link">Link</a>

  <div style="width: 800px"><canvas id="chart"></canvas></div>

  <a href="https://github.com/isotoma/commitment-calculator/">Source code</a>

  <script src="//cdn.jsdelivr.net/npm/chart.js"></script>
  <script src="./main.js"></script>
</body>
</html>

    