Mathlean · Online math workspace
Complementary error function calculator
Evaluate the complementary error function used in Gaussian tail calculations.
How to use this calculator
Change Erfc(1). For real x, erfc(x) equals 1−erf(x).
Tap the math below to edit it and see the result. Once a result is ready, press Tab on a hardware keyboard to accept it. Outside a matrix, Return completes the line; the phone math keyboard has the same Return action.
Try it here
Interactive tools require JavaScript. You can read the guide and example without it.
What to know
Numerical results are approximate; extreme-tail calculations may be precision-sensitive.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.