Stop Rebuilding UI

Shadcn.io is not affiliated with official shadcn/ui

Free Online Calculator

Free online calculator with basic and scientific modes. Perform arithmetic operations, trigonometric functions, logarithms, exponentials, square roots, and more. Perfect for students, engineers, and professionals.

Features

  • Basic Mode - Standard arithmetic operations including addition, subtraction, multiplication, division, percentages, and square roots
  • Scientific Mode - Advanced mathematical functions including trigonometry (sin, cos, tan), logarithms (log, ln), exponentials, factorials, powers, and parentheses
  • Keyboard Support - Full keyboard input for faster calculations
  • Mobile Friendly - Responsive design optimized for all devices

How to Use

  1. Choose Mode - Select basic mode for simple arithmetic or scientific mode for advanced functions
  2. Enter Numbers - Click buttons or use keyboard to input your expression
  3. Calculate - Press equals button or Enter key to get results
  4. Continue - Use the result for further calculations or clear to start fresh

Questions