Texas Instruments TI-89 Manuel D’Utilisation
Symbolic Manipulation
251
Note:
•
For an overview of complex numbers, refer to the Technical Reference module.
•
To get the complex
i
, press
2 ). Do not simply type the letter
i
on the keyboard.
Be Aware of the Limitations of Substitutions
Be Aware of the Limitations of Substitutions
Be Aware of the Limitations of Substitutions
Be Aware of the Limitations of Substitutions
•
Substitution occurs only where there is an
exact match for the substitution.
exact match for the substitution.
Only x
2
was
replaced, not x
4
.
Define the
substitution in
simpler terms for
a more complete
substitution.
substitution in
simpler terms for
a more complete
substitution.