🛠️ How It Works

The calculator works just like a physical calculator. Click the number buttons to enter values, then choose an operator (+, −, ×, ÷), enter the second number, and press = to see the result. The expression you are building is always shown above the main display so you never lose track of your calculation.

🔢 Supported Operations

This calculator supports all basic arithmetic operations — addition (+), subtraction (−), multiplication (×), division (÷), and percentage (%). You can also use the decimal point button to work with non-whole numbers like 3.14 or 99.99.

⌫ Backspace & Clear

Made a mistake? Press the ⌫ (backspace) button to delete the last digit you entered. Press C to completely clear the display and start a fresh calculation from zero.

❓ Frequently Asked Questions

Can I use this calculator on my phone? ▼
Yes! This calculator is fully responsive and works on smartphones, tablets, and desktop computers. The buttons are touch-friendly and sized for easy tapping on mobile screens.
How do I clear the display? ▼
Press the C button to completely clear the current input and reset the display to 0. Use the ⌫ backspace button if you only want to delete the last digit you entered.
Can it perform decimal calculations? ▼
Yes! Use the decimal point button (.) to input decimal numbers like 3.14 or 0.5. The calculator handles all standard decimal arithmetic accurately.
Does the % button work for percentages? ▼
Yes. For example, to find 20% of 150, type 150 × 20 % =. The % button divides the current value by 100 to convert it to a decimal for use in calculations.
Is this calculator accurate for large numbers? ▼
Yes, the calculator uses JavaScript's built-in math engine which handles large numbers and complex expressions accurately. For extremely large scientific calculations, a scientific calculator may be more suitable.