Free online calculator

Scientific & basic calculator in your browser

Do everyday math and advanced calculations without installing any app. Switch between basic and scientific mode inside one clean, modern interface.

Start calculating Works on mobile, tablet and desktop

Why use this online calculator?

  • Clean glass-style design that feels like a native app.
  • History for both basic and scientific calculations.
  • No signup or downloads, just open the website.
  • Perfect for quick totals, discounts and homework.
Advanced calculator
Switch between basic and scientific in one place.
History
    History
      Use the tabs to switch modes. Keyboard input controls the active mode.

      What is this online scientific and basic calculator?

      This tool combines a simple four-function calculator and a powerful scientific calculator in a single, modern interface. You can use it for quick totals and discounts or for more advanced work including trigonometry, logarithms, powers and roots.

      How to use the calculator

      1. Select Basic or Scientific mode using the tabs above the calculator.
      2. Type numbers and operators using the on-screen buttons or your keyboard.
      3. Press the equals button to see the result and automatically add it to the history.
      4. Review previous calculations in the history area for each mode.

      Examples

      Tips for better results

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      Frequently asked questions

      What is an advanced calculator?

      An advanced calculator is a tool that allows you to perform both basic arithmetic and more complex mathematical operations like trigonometry, logarithms and exponents in one place.

      Can I use this calculator for free?

      Yes, this advanced calculator is completely free to use online. You can open it from any device with a browser.

      What functions does the scientific calculator support?

      The scientific calculator supports sin, cos, tan, percentage, brackets, logarithms, exponentials, powers and square roots along with the basic operators.

      How do I perform a basic calculation?

      Enter the numbers and operations, for example 5 + 3, and then click the equals button in the basic calculator to see the result and add it to the history.