Use the composite Simpson's rule to give values for values of z from 0.0 to 3.0 in increments of 0.1:
h = 1/20 F(z) = 1/(?2?) ? (upper limit is z & lower is negative infinity) e^-(x^2/2) dx
Output:
0.0 0.500
0.1 0.5398
0.2 0.5793
0.3 0.6179
0.4 0.6554
0.5 0.6915...