Error Function and Complementary Error Function Definitions - Elements of Environmental Engineering: Thermodynamics and Kinetics - page 446

x erf( x )

0.40 0.4283923550

0.50 0.5204998778

0.60 0.6038560908

0.70 0.6778011938

0.80 0.7421009647

0.90 0.7969082124

1.00 0.8427007929

2.00 0.9953222650

3.00 1.00000