Scientific calculator
A full scientific calculator you can type into, with degrees or radians and a tape of every result.
Tape
Your calculations are listed here. Select one to use it again.
Using the calculator
Type straight into the display or use the keys. Press Enter or = to finish, Esc to clear. Functions take brackets, like sin(30); missing closing brackets at the end are added for you. Ans is your previous result, and typing an operator right after a result continues from it.
Questions people ask
How does percent work?
Like a desk calculator: 200 + 10% is 220 and 200 − 10% is 180. On its own, 50% is 0.5, and 200 × 15% is 30.
Degrees or radians?
Trig functions use degrees by default. Press the Deg key to switch to radians; the display shows which one is active.