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- <html>
- <head><title>CALCULATOR</title>
- <script>
- function add() {
- var a, b, c;
- a = Number(document.getElementById("first").value);
- b = Number(document.getElementById("second").value);
- c = a + b;
- document.getElementById("sum").value = c;
- }
- function prod() {
- var a, b, c;
- a = Number(document.getElementById("first").value);
- b = Number(document.getElementById("second").value);
- c = a * b;
- document.getElementById("prod").value = c;
- }
- function div() {
- var a, b, c;
- a = Number(document.getElementById("first").value);
- b = Number(document.getElementById("second").value);
- c = a / b;
- document.getElementById("div").value = c;
- }
- function diff() {
- var a, b, c;
- a = Number(document.getElementById("first").value);
- b = Number(document.getElementById("second").value);
- c = a - b;
- document.getElementById("diff").value = c;
- }
- function mod() {
- var a, b, c;
- a = Number(document.getElementById("first").value);
- b = Number(document.getElementById("second").value);
- c = a % b;
- document.getElementById("mod").value = c;
- }
- </script>
- </head>
- <body>
- <label>Enter first number</label>
- <input type="text" id="first"><br>
- <label>Enter second number</label>
- <input type="text" id="second"><br>
- <button onclick="add()">SUM</button>
- <button onclick="prod()">PROD</button>
- <button onclick="div()">DIV</button>
- <button onclick="diff()">DIFF</button>
- <button onclick="mod()">MOD</button>
- <br><br>
- <input type="text" id="sum"><br>
- <input type="text" id="prod"><br>
- <input type="text" id="div"><br>
- <input type="text" id="diff"><br>
- <input type="text" id="mod"><br>
- </body>
- </html>
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