Can I use keyboard shortcuts with this calculator?

Yes, you can use standard number keys, +, -, *, /, Enter to calculate, Backspace to delete, and Esc or C to clear.

Are my calculations stored or transmitted anywhere?

No. All calculations are evaluated 100% locally in your browser memory. Nothing is sent to any server.

What is the difference between DEG and RAD modes?

Degrees (DEG) is the standard angle unit for everyday math (360 degrees in a circle). Radians (RAD) are used in physics and higher mathematics.

Scientific & Basic Calculator

Online Calculator

Fast, free, and easy in-browser calculator. Perform basic arithmetic, percentages, powers, square roots, and trigonometric calculations instantly.

Free online calculator for daily math, school, and work

This online calculator works instantly in your browser on desktop, tablet, and mobile with zero installation. Perform rapid arithmetic (+, −, ×, ÷) along with accurate percentages, exponents, roots, and trigonometry.

Percentages (%)

Calculate fast discounts and markups: enter amount, select operator, and press % (e.g. 200 + 10 % = 220).

Memory & Previous Answer (Ans)

The Ans key instantly fetches the previous result as the input for your next calculation without retyping numbers.

Full Keyboard Support

Calculate rapidly using your physical keyboard: digits 0–9, operators +, −, *, /, Enter or = to calculate, and Esc to clear.

Frequently Asked Questions

How do I calculate custom exponents?

Type the base number, press xʸ, enter your exponent, and press = (for example: 2 xʸ 8 = 256).

Are my calculations recorded on any server?

No. All calculation data runs 100% locally in your web browser. Nothing is ever sent to external servers, ensuring complete privacy.