Hi,

I've got the following equation, which I am plotting for the range g=0.1E-3..5E-3 and h=0..10E-3

"First:=Int(Int(((2*L)/(x^2+(L/2)^2+(h-z)^2)^(3/2)),z=(-L/2)..(L/2)),x=(g/2)..((g/2)+L)):
Second:=Int(Int(((2*h+L)/(x^2+y^2+(h+(L/2))^2)^(3/2)),y=(-L/2)..(L/2)),x=(g/2)..((g/2)+L)):
Third:=Int(Int(((-2*h+L)/(x^2+y^2+(h-(L/2))^2)^(3/2)),y=(-L/2)..(L/2)),x=(g/2)..((g/2)+L)):
HorB[x]:=(B[r]/(4*Pi))*(First+Second+Third);"

The constants I am using are:

B[r]:=1.43;
L:=5E-3;