Type an expression and press Enter (or Compute). Use + - * / for the basics, ^ for powers, and parentheses to group. The precision box controls how many digits you get for non-whole answers like square roots.
2 + 3 * 4, (3/7 + 2/9)2^1000, sqrt(2), cbrt(1729), nthRoot(10, 7)pi, e, phisin(pi/7), log(2, 10), abs(-5), exp(3)100000! (every one of its 456,574 digits)Whole-number math to unlimited size · roots and trig to as many digits as you ask · exact factorials with no cap.
It won't solve for a letter — for 2x + 3 = 11 use Algebra. It won't convert units like 5 km to miles — use Convert. Words that aren't math functions will error.