Give a man a fish, you feed him for a day.
Tech a man to fish, you feed him for a lifetime.
this should help
modulus=29000000 psi for steel
moment of inertia=3.14*diameter^4/64 for a solid round
enter your length in inches
enter the point load as how much weight will be on it.
pick the loading case, 4 is the simplest.
or are you looking for just the deflection of the rod with no load?
then you need case 23
set q to the weight per inch=volume*density=3.14*d^2/4*.283