>where plota and plotb were plots. Now with Mathematica 7 the >semicolons prevent the plots from showing up. Show[plota]; has the >same problem. The semicolons, which are needed in a Module, prevent >the plotting.
Your comments above suggest you see the purpose of a semicolon in Mathematica as being primarily a means for suppressing output. That isn't true. The purpose of a semicolon is to join two expressions to make a single compound expression. When you terminate an expression with a semicolon, what you are really doing is creating a compound expression with the last part being Null. And since the output of any compound expression is simply the output from the last portion, a compound expression ending in Null produces no output.
The code above can be made to do what you want by explicitly printing the plots, i.e.,
>and this does the printing and the plotting, but all the printing >comes at the beginning and all the plots come after that. I really >want the printing to come in between the plots, in the order that I >show them. How can I do this?
the code above using Column will work if changed as follows: