Scientific Calculator
Free · 25+ Functions · No Signup
Free online scientific calculator with sin, cos, tan, log, ln, sqrt, factorial, and more. Supports degree and radian mode with full calculation history.
Free Forever 25+ Functions Deg & Rad Instant Results
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Tool Information
Keyboard Shortcuts
0-9Number input+ - * /OperatorsEnter or =CalculateEscapeClear allBackspaceDelete last^PowerAdvertisement
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Guide
How to Use
Follow these simple steps to use the scientific calculator.
1
Basic Operations
Use number keys and operators for simple math.
2
Scientific Functions
Access sin, cos, tan, log, and more.
3
Toggle Angle Mode
Switch between degree and radian mode.
4
View History
Track all your calculations with history.
Benefits
Why Use This Calculator?
The most powerful and easy-to-use scientific calculator with 25+ functions.
25+ Scientific Functions
sin, cos, tan, log, ln, sqrt, factorial, and more.
Degree & Radian
Toggle between degree and radian mode.
Calculation History
Keep track of your previous calculations.
Keyboard Support
Use your keyboard for quick input.
Completely Free
No registration, no limits.
25+
Scientific Functions Available