Scientific calculator

A full expression calculator — trig, logs, powers, factorials, constants, and a running history.

Angles

Evaluated in this browser. Nothing is sent anywhere.

Operators + - * / ^, postfix ! and %, parentheses, functions sqrt cbrt abs floor ceil round exp ln log log2 logb(x,b) sin cos tan asin acos atan atan2 sinh cosh tanh mod hypot min max ncr npr, and constants pi e tau ans. Angles follow the Deg/Rad toggle. No implicit multiplication — write 2*x.

Evaluated expressions appear here.

How to use

  1. Type an expression or tap the keypad.
  2. Press = to evaluate.
  3. Reuse answers via 'ans' or the history.

What it supports

Operators + − × ÷ ^ ! %, parentheses, functions sqrt cbrt abs floor ceil round exp ln log log2 logb sin cos tan asin acos atan atan2 sinh cosh tanh mod hypot min max ncr npr, constants pi e tau ans. Deg/rad toggle for trig. Implicit multiplication is not accepted — write 2*x.

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