Texas Instruments TI-89 Titanium User Manual page 241

Note:
• For an overview of complex numbers, refer to the Technical Reference module.
• To get the complex
Be Aware of the Limitations of Substitutions
• Substitution occurs only where there is an
exact match for the substitution.
Symbolic Manipulation
, press 2 ). Do not simply type the letter
i
2
Only x was
4
replaced, not x .
Define the
substitution in
simpler terms for
a more complete
substitution.
on the keyboard.
i
238