Math calculator

<h1>Math Calculator – Free Online Calculator</h1>

<p>Welcome to Mathemahub’s <strong>Math Calculator</strong> – a simple yet powerful online tool to perform basic math operations including <strong>addition</strong>, <strong>subtraction</strong>, <strong>multiplication</strong>, and <strong>division</strong>. This calculator is designed for students, teachers, and anyone who needs quick and accurate math results without installing any software.</p>

<h2>How to Use Our Math Calculator</h2>
<ol>
<li>Enter the first number in the first input box.</li>
<li>Select the operation you want (Add, Subtract, Multiply, Divide).</li>
<li>Enter the second number.</li>
<li>Click the “Calculate” button to get your result instantly.</li>
</ol>

<h2>Why Use Mathemahub's Math Calculator?</h2>
<ul>
<li><strong>Fast & Accurate</strong> – Instant results without any lag.</li>
<li><strong>Free to Use</strong> – No sign-up or download required.</li>
<li><strong>Mobile Friendly</strong> – Works smoothly on all devices.</li>
<li><strong>Ad-Free</strong> – Focus only on your calculations.</li>
</ul>

<h2>Online Math Calculator Tool</h2>

<div style="max-width:400px; margin:auto; padding:15px; border:1px solid #ddd; border-radius:10px;">
    <label>First Number:</label><br>
    <input type="number" id="num1" style="width:100%; padding:8px; margin-bottom:10px;">
    
    <label>Operation:</label><br>
    <select id="operation" style="width:100%; padding:8px; margin-bottom:10px;">
        <option value="add">Addition (+)</option>
        <option value="subtract">Subtraction (-)</option>
        <option value="multiply">Multiplication (×)</option>
        <option value="divide">Division (÷)</option>
    </select>
    
    <label>Second Number:</label><br>
    <input type="number" id="num2" style="width:100%; padding:8px; margin-bottom:10px;">
    
    <button onclick="calculate()" style="width:100%; padding:10px; background:#4CAF50; color:white; border:none; border-radius:5px;">Calculate</button>
    
    <h3 style="margin-top:15px;">Result: <span id="result">0</span></h3>
</div>

<script>
function calculate() {
    var num1 = parseFloat(document.getElementById('num1').value);
    var num2 = parseFloat(document.getElementById('num2').value);
    var operation = document.getElementById('operation').value;
    var result = 0;

    if (operation === "add") {
        result = num1 + num2;
    } else if (operation === "subtract") {
        result = num1 - num2;
    } else if (operation === "multiply") {
        result = num1 * num2;
    } else if (operation === "divide") {
        if (num2 !== 0) {
            result = num1 / num2;
        } else {
            result = "Cannot divide by zero!";
        }
    }
    document.getElementById('result').innerText = result;
}
</script>

<h2>Benefits of Using a Math Calculator Online</h2>
<p>Whether you are doing homework, checking financial numbers, or solving daily life problems, our math calculator saves time and effort. You don’t need a physical calculator – just open this page, enter your numbers, and get the answer instantly.</p>

<h2>FAQs about Math Calculator</h2>
<h3>1. Is this math calculator free?</h3>
<p>Yes! Mathemahub’s math calculator is 100% free and available online anytime.</p>

<h3>2. Does it work on mobile?</h3>
<p>Absolutely! It’s fully responsive and works on all smartphones and tablets.</p>

<h3>3. Can I use it for complex equations?</h3>
<p>This calculator is designed for basic operations. For advanced calculations, check our <a href="https://mathemahub.com/advanced-calculator/">Advanced Calculator</a>.</p>

<p>Start using Mathemahub’s <strong>Math Calculator</strong> now for quick and accurate results!</p>