Error Function Calculator Easily compute the error function (erf) value for any input to simplify complex math and statistics. Error Function Calculator Select Calculation Type Standard Error Function: erf(x) Complementary Error Function: erfc(x) Inverse Error Function: erf⁻¹(x) Normal Distribution Φ(x) Inverse Complementary Error Function: erfc⁻¹(x) Calculate Clear Download WhatsApp LinkedIn X Email