This what happens when one assign zero in the body of the for loop to variable n10 and then uses this value
Moreover, you have plenty of syntax errors
and what version are you using?
The option PlotJoined was replaced by Joined in version 6
are you using version 5?
and why would you use Module if there are no local variables in it?
All in all, the best way is to analyze your own errors, fix them and get the required results. No shortcuts for the programmers