A full scientific calculator with trigonometry, logarithms, powers, roots, factorial, constants, and memory — all evaluated safely in your browser, with keyboard support.
How to use Scientific Calculator
Type an expression or use the keypad.
Switch between degrees and radians for trig.
Press = to evaluate and copy the result.
Frequently asked questions
Does it follow order of operations?
Yes — it parses full expressions with correct precedence and parentheses, so multiplication and powers bind before addition, just like standard math.
Are degrees or radians used for trig?
Whichever you select with the Deg/Rad toggle; the trig functions interpret their argument accordingly.