Error Function x actual erf(x) 0.00 0.0000000 0.0000000 0.10 0.1124629 0.1124629 0.20 0.2227026 0.2227026 0.30 0.3286268 0.3286267 0.40 0.4283924 0.4283924 0.50 0.5204999 0.5204998 0.60 0.6038561 0.6038561 0.70 0.6778012 0.6778012 0.80 0.7421010 0.7421011 0.90 0.7969082 0.7969083 1.00 0.8427008 0.8427008 1.10 0.8802051 0.8802050 1.20 0.9103140 0.9103138 1.30 0.9340079 0.9340079 1.40 0.9522851 0.9522851 1.50 0.9661051 0.9661052 1.60 0.9763484 0.9763484 1.70 0.9837905 0.9837905 1.80 0.9890905 0.9890905 1.90 0.9927904 0.9927904