Texas Instruments TI InterActive! Getting Started Manual page 22

22 Getting Started with TI InterActive!
Example:
Step 1.
Step 2.
Step 3.
If you edit a list or variable at the beginning of the document, the
change can ripple throughout the other math objects.
But if you change the value assigned to a variable at the end of
the document, the math objects that precede it are unaffected.
Math flow
Effect of
changing 4 to
3 at the
beginning of
the example.
Effect of
changing 4
to 3 at the
end of the
example.