Scientific Calculator

Use this free scientific calculator for advanced math and quick everyday arithmetic. It supports trig functions, logs, powers, roots, and standard operations in one interface.

Simple / Scientific Calculator

How to Use the Scientific Calculator

  1. Enter numbers and operators: Use the keypad or keyboard to input numbers and basic operators such as +, -, ×, and ÷.
  2. Apply scientific functions: Select functions like sin, cos, tan, log, ln, square, cube, or square root.
  3. Set angle mode if needed: Toggle between RAD and DEG before running trigonometric calculations.
  4. Calculate and review output: Press equals to compute the result. Use reset or backspace to adjust input quickly.

Functions Available

  • Arithmetic: addition, subtraction, multiplication, and division.
  • Trigonometry: sin, cos, and tan with RAD/DEG mode.
  • Advanced math: log, ln, square, cube, and square root.
  • Constants: pi and Euler's number (e).

Frequently Asked Questions

What can this scientific calculator do?

It supports arithmetic, trigonometric functions, logarithms, natural logs, powers, roots, and constants like pi and e.

Can I switch between radians and degrees?

Yes. Use the RAD/DEG toggle to choose how trigonometric functions are calculated.

Does it work on mobile and desktop?

Yes. The calculator is browser-based and works on both desktop and mobile devices.

Is this scientific calculator free?

Yes. It is free to use with no signup required.