Typed calculator

Type a math expression and see the answer as you type. Press Enter to keep it in the history; click a history line to use it again. The main calculator lets you write fractions and roots as they look.

Expression

Angles in
Memory

Captured on the unit circle and kept in this browser for both calculators. theta, r, a, b, c are the latest capture; m1, m2… are earlier ones (theta1, a1…). Click a name to put it in your expression.

Check a value with a formula

Or type your own formula in the box above.

How to type
  • sqrt(9), √9 or √(16 + 9) is a square root; 2^3 is a power.
  • 2π and 3(4) multiply; pi, π and e work.
  • sin cos tan, asin acos atan, ln log abs, and 5!.
  • ans is your last answer; theta, r, a, b, c and m1, a1… come from memory. Enter keeps a line; click an old line to use it again.

History