Maple
is a high level programming language with strong
builtin symbolic, numerical and graphic capabilities.
The Harvard Math department server does not run Maple at the moment.
Maple's strengths can be compared with
Mathematica. You start up
maple from the commandline with "maple" (terminal mode) or with
"xmaple" (worksheet). Here is an example, how to use Maple
in a terminal. After starting up maple, you can use
commands like:
The graphics commands are better used with xmaple, the GUI version of maple. 

Simplicity, Clarity, Generality
B.W. Kernighan, R. Pike, in "The Practice of Programming".
