Scientific Calculator
A full-featured scientific calculator with trigonometry, logarithms, exponents, memory and history.
How to use
Use the on-screen buttons or your keyboard. Functions apply to the current value or expression. History shows recent calculations.
Formula
Standard mathematical operator precedence applies: parentheses first, then powers, then multiplication/division, then addition/subtraction.
Examples
- sin(30) in degree mode → 0.5
- log10(1000) → 3
Important notes
Trigonometric functions respect the selected DEG/RAD mode.
Frequently asked questions
Can I use my keyboard?
Yes, most keys map to keyboard input.
Is there a history?
Yes, recent calculations are listed and can be reused.