cascadecoder.github.io/calculator.html at main · cascadecoder/cascadecoder.github.io · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>Calculator | rowannerd</title>
    <link rel="stylesheet" href="https://cascadecoder.github.io/rowannerd.css">
    <style>
      html {
        font-family: sans-serif;
        //background-color: rgb(150, 255, 255);
      }
      .space {
        height: 30px;
      }
      button {
        color: white;
        background-color: red;
        height: 50px;

      }
      button:hover {
        background-color: black;
      }
    </style>
  </head>
  <body>
    <h1>Calculator | <span id="rowannerd">rowannerd</span></h1>
    <b><span>1st number: </span><input type="text" id="a"> <br><br>
    <span>Operator (+, -, *, /): </span><input type="text" id="op"> <br><br>
    <span>2nd number: </span><input type="text" id="b"> <br><br>
      <button onclick="solve()">Solve Equation</button>
      <div id="space"></div>
    <div id="table"></div>
    <script>
      function solve() {
        var a = document.getElementById("a").value;
        var b = document.getElementById("b").value;
        var op = document.getElementById("op").value;
        a = Number(a);
        b = Number(b);
        if (op == "+") {
          var equals = a + b;
        } else if (op == "-") {
          var equals = a - b;
        } else if (op == "*" || op == "x") {
          var equals = a * b
        } else if (op == "/") {
          var equals = a/b;
        } else {
          var equals = "Error! Not correct operation!";
        }
        document.getElementById('table').innerHTML = a + op + b + "" + "=" + equals;
      }

    </script>
  </body>
</html>