Appendix
A-3: Referencing
Example A-3.1
Evaluate 26, and by referencing that value, obtain 26+1.
Solution
Maple Solution - Interactive
Type 26.
Context Panel: Evaluate and Display Inline
Context Panel: Assign to a Name≻q
26 = 64→assign to a nameq
Type q+1.
q+1 = 65
Alternatively, type 26 and press the Enter key.
Reference the displayed result by its equation label: Ctrl+L. Enter the label number, without parentheses. Click OK. (See Figure A-3.1(a).)
Figure A-3.1(a) The Insert Label dialog
Type +1
Context Menu: Label≻Label Reference (The Label changes to that which it references.)
26
64
+1 = 65
Deleting the visible references to the assigned variable will not "erase" the assignment from Maple's memory. For interactively "unassigning" a variable, use the Variables palette, as described in Table A-1.2.
Maple Solution - Coded
The assignment operator is the "colon equal".
q≔26
q+1
Clear the assignment with the unassign command. The quotes are essential.
unassign'q'
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