CumLogNorm
4
6
LOWER=0

UPPER=40.0

#F1=LN($/#C)/#D

#F2=EXP(-0.5*#F1*#F1)

#F3=AIP(2,X,UPPER,1E-4)

Y=#A+(#B/AIP(2,LOWER,UPPER,1E-4))*#F3

-1e+25 35 1e+25
-1e+25 45 1e+25
-1e+25 12 1e+25
-1e+25 0.2 1e+25