): </label>
            <input type="number" id="d" placeholder="Enter D" step="any">
        </div>

        <div class="input-grp">
            <label for="e">E (coefficient of y): </label>
            <input type="number" id="e" placeholder="Enter E" step="any">
        </div>

        <div class="input-grp">
            <label for="f">F (constant): </label>
            <input type="number" id="f" placeholder="Enter F" step="any">
        </div>

        <button onclick="calculateCircle()">Calculate</but