After Toolbox installation open Maple and type MechanicsofMaterials

Here we use
worksheet mode of Maple interface.
It is also
suitable for document mode like this.

Click
F2 Button - Maple Help.
It will open main Toolbox help page.

Choose some example and copy it. Past it to current Maple session
and press
Enter.
For example, in document mode it looks like this (do not forget comment
the first line
MechanicsofMaterials)
