Standard normal distribution table, Theta(z)=1/sqrt(2*pi) INTe^-t²/2dt (over -inifity to z) = P(Z<=z), Z~N(0,1);
Usage: Just type in a value for z (negative or positive) and press the Standard normal distribution table button.
Should also work backwards (then you put in the probability (0<p<1) and get the z instead) using Shift-Button or corresponding.
z values are between ~-3.2 (p=0 for z<-3.2) and 0,000 (p=0.5) and ~3.2 (p=1 for z>3.2)
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Gunnar
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