A full-featured scientific calculator: arithmetic, trigonometry (sin, cos, tan and inverses), logarithms, powers, factorials, square roots, π, e, and memory — all running locally in your browser with full keyboard support.
How it works
- Type your complex equation or use the on-screen buttons.
- Ensure you are in the right mode (DEG or RAD) before running trig functions.
- Press equals to calculate, or use Memory Save (MS) for multi-step math.
Frequently asked questions
How do I use trig functions?
Press sin/cos/tan, then type your angle in the bracket. Make sure DEG is active for degrees (default), or switch to RAD for radians before calculating.
Can I type expressions directly?
Yes — click on the calculator and use your keyboard. Numbers, operators (+−×÷^%), parentheses, Enter for equals, and Backspace all work.
What is the memory for?
MS stores the current result to memory, MR recalls it into the expression, and MC clears it — useful for multi-step calculations.