Scientific Calculator

Advanced scientific calculator with trig functions, logarithms, powers, and angle mode toggle — all in your browser

How to Use Scientific Calculator

  1. Type your mathematical expression using the on-screen keypad or your keyboard. Use sin, cos, tan, log, ln, sqrt for advanced functions
  2. Switch between DEG (degrees) and RAD (radians) mode using the toggle button at the top left of the display
  3. Press = or Enter to evaluate. View your last 5 calculations in the history section — click any entry to reuse it

Enable JavaScript to use these tools.