Depending on how long you have been out in the field, one can also waive the taking of the FE-EIT exam. I think it is somewhere around 8-10 years of experience before the board will allow you to petition in order to take the PE.
It would be easier to imput the formulas into excel. Then produce a log graph with the values. This log graph can then be printed out.
Good Luck.
Tricia
You can find your information in the McCabe/Smith/Harriott book called Unit Operations of Chemical Engineering. There is a section on Packed Columns that contains step by step procedures.