Does the calculator support keyboard input?

Yes, you can use the Numpad on your computer keyboard to enter numbers and the Enter key to get the result.

Can you count fractions?

The basic calculator works with decimal fractions. For operations with ordinary fractions (with a numerator and denominator), use the special section on our website.

Calculator

⚡ Simple online calculator with history

An instant tool for everyday calculations. We made the interface clean so that nothing distracts from work, but retained important functions: the history feed and support for keyboard input.

💡 Life hack: You don’t have to click the mouse. Use the Numpad (number pad) on your keyboard to quickly enter numbers and Enter to get the result.

Useful features

History feed: All your actions are saved. If you forget the previous number, just look in the calculation log (usually located on the side or under the display).
Working with interest: Standard calculation (% button). For complex tasks (discounts, markups, VAT), we recommend our specialized interest calculator.
Fractional Numbers: The tool supports decimal fractions (with a dot). For operations with ordinary fractions (½ + ⅓), it is better to use fraction calculator.

Do you need to calculate not the numbers, but the length of the text? For copywriters and editors, we have a tool for counting characters and words.
And if you need more advanced calculations, then use our Engineering calculator

Больше по теме: Informers and widgets for the site

Cryptocurrencies📊 Real-time cryptocurrency market monitoring The cryptocurrency market is known for its volatility: prices can change by tens of percent in a couple of hours.

Days until Winter🚀 Want to create your own design? Click here to customize the color and size of the informer in the constructor. ❄️ Winter countdown timer 2026 This widget is a ready-made solution in pure JavaScript (without heavy libraries like jQuery).

Days until Autumn🍂 Informer “Before the beginning of Autumn” for your website A ready-made HTML widget that counts down the days, hours and minutes until September 1.

Frequently asked questions (FAQ)

🔹 How to clear calculation history?

The history is cleared automatically when the page is refreshed. You can also press the “C” (Clear) button or the special trash icon in the interface if you want to reset the current input.

🔹 How to correct an input error?

If you enter an incorrect number, use the Backspace button on the calculator screen to remove the last character without resetting the entire result.

🔹 Does the calculator work on your phone?

Yes, our calculator has a responsive design. On a smartphone, the buttons become larger so that you can press them more easily with your finger.