Scientific Calculator

Full-featured scientific calculator online with history and memory.

Calculator

History

Your calculations show up here. Click an entry to reuse its result.

Keyboard shortcuts

0-9 digits · . decimal · + - * / operators · Enter equals · Backspace delete · Escape clear · % percent · s sine · c cosine · t tangent · r square root · p pi · q square

Everything runs locally in your browser. Trigonometric functions work in degrees. Errors (divide by zero, negative square root) show inline and clear on the next key.

Tool Introduction

Full-featured calculator with a basic layout for everyday math and a scientific layout with trigonometry, logarithms, powers, roots, factorials and constants. Works from the on-screen keypad or your keyboard.

Every calculation is logged in the history panel - click an entry to reuse its result, or clear the log any time. The current result can be copied with one click.