Scientific Calculator
Trig, logs, exponents in one place
🔒 All data is processed in your browser. Nothing is uploaded to any server.
0
History
Quick guide
What can Scientific Calculator help you do?
Free online scientific calculator: sin/cos/tan, log/ln, sqrt, π, e, memory (M+/M-/MR), and history.
Best for
Useful for quick file work, text cleanup, calculations, content creation, and website or AI checks.
How to use it
Open the tool, enter or upload what it asks for, then copy or download the result directly.
Privacy and limits
Most tools run in your browser with no sign-in. Very large files or older devices may hit browser memory limits.
Frequently Asked Questions
How is operator order decided?
Standard PEMDAS: Parentheses → Exponents → Multiply/Divide → Add/Subtract. 2+3*4 = 14.
DEG vs RAD?
Degrees vs Radians for trig functions. Default is DEG.