npnorman.github.io/3d-print.html at main · npnorman/npnorman.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>3D Printing</title>
</head>
<body>
    <p>3D Print calculation: P = 2C + 1.5T + 0.5</p>
    <p>P = Price, C = Cost of build, T = Time to print</p>
    <br>
    <form>
        <label for="cost">
            Cost
        </label>
        <input type="number" id="cost">
        <br>
        <label for="time">
            Time (in Hours)
        </label>
        <input type="number" id="time">
        <br>
        <input type="checkbox" id="discount" value="0.75">
        <label for="discount">
            Check for freinds/family discount
        </label>
        <p id="output"></p>
    </form>
    <script>
        function Calculate() {

            var c = document.getElementById("cost");
            var t = document.getElementById("time");
            var d = document.getElementById("discount");
            cVal = c.value;
            tVal = t.value;
            dVal = d.value;

            var output = (2 * parseFloat(cVal)) + (Math.ceil(parseFloat(tVal)) * 1.5) + (0.5);
            if (d.checked) {
                output = output * 0.25;
            }
            output = output.toFixed(2);
            document.getElementById("output").textContent = output;
        }

        var c = document.getElementById("cost");
        var t = document.getElementById("time");
        var d = document.getElementById("discount");

        c.addEventListener("input", Calculate);
        t.addEventListener("input", Calculate);
        d.addEventListener("input", Calculate);

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