Scientific Calculator
This browser-based scientific calculator adds trigonometric functions (sin, cos, tan), logarithms, powers, roots and constants like π and e to everyday arithmetic — no install, no signup, nothing leaves your device.
How it works
Scientific functions like sin, cos, √ or log apply immediately to the number currently shown, just like on a pocket calculator. Combine them with the regular operators to build up longer calculations.
Tip
Use the DEG/RAD button to switch between degrees and radians before using sin, cos or tan — the current mode is always shown on the button.
What if I enter something invalid?
Operations like the square root of a negative number or the logarithm of zero show an error — just press AC to start over.
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