🧮 Scientific Calculator
A fully-featured scientific calculator supporting addition, subtraction, multiplication, division, parentheses, percentage, square root, square, negation and more. Supports keyboard input and automatically saves calculation history. All calculations are performed in your browser, no internet connection required.
⚙️ Calculator
Click buttons or use keyboard to input expressions, press = or Enter to calculate
0
Calculation History
No history
❓ Frequently Asked Questions
Supports addition (+), subtraction (-), multiplication (*), division (/), parentheses (), square root (√), square (x²), power (x^y), percentage (%), negation (+/−), reciprocal (1/x), factorial (n!), pi (π) and scientific notation (EXP).
Use keyboard to directly input numbers and operators, press Enter or = to calculate, press Delete or Backspace to backspace, press Escape or C to clear. Full keyboard support is available.
Calculation history is saved in the current session and will be lost after page refresh. You can take screenshots to save important calculation results. All data is stored only in your local browser and will not be uploaded to any server.