Well, not really.
Maple does much more than graph functions and perform routine calculations.
It's very likely that you will find other things that Maple can do for you, in this and other subjects, and in other projects. If you already know how to use some other graphic and symbolic-manipulation program, fine. Using Maple should be that much easier. In some circumstances, you will be asked to make your Maple worksheet available for your instructor, in which case it helps if we all use the same program. The default release on Athena at MIT has been changed to Version 6.0.