Calculator • Local-only

Free Online Scientific Calculator

Scientific calculator that supports basic arithmetic and common functions such as sin/cos/tan, square root and log10. Everything runs locally.

Expression

Keyboard supported • Local-only calculation Esc = C, Backspace = ⌫, Enter = =

How to Use Calculator

Click buttons or use keyboard to enter numbers
Use + - × ÷ for basic arithmetic
Use sin/cos/tan/sqrt/log for advanced functions
Press = or Enter to see the result

Shortcuts & Tips

Keyboard input supported for numbers and operators
Esc to Clear (C), Backspace to Delete (⌫)
All calculations run locally in your browser

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