35 Ill. Adm. Code 742.APPENDIX C
C Tier 2 Illustrations and Tables
Section 742.APPENDIX C Tier
2 Illustrations and Tables
Section 742.TABLE G Error Function (erf)
b
erf
(
b
)
b
erf
(
b
)
0
0
1.1
0.880205
0.05
0.056372
1.2
0.910314
0.1
0.112463
1.3
0.934008
0.15
0.167996
1.4
0.952285
0.2
0.222703
1.5
0.966105
0.25
0.276326
1.6
0.976348
0.3
0.328627
1.7
0.983790
0.35
0.379382
1.8
0.989091
0.4
0.428392
1.9
0.992790
0.45
0.475482
2.0
0.995322
0.5
0.520500
2.1
0.997021
0.55
0.563323
2.2
0.998137
0.6
0.603856
2.3
0.998857
0.65
0.642029
2.4
0.999311
0.7
0.677801
2.5
0.999593
0.75
0.711156
2.6
0.999764
0.8
0.742101
2.7
0.999866
0.85
0.770668
2.8
0.999925
0.9
0.796908
2.9
0.999959
0.95
0.820891
3.0
0.999978
1.0
0.842701