Texas Instruments TI-84 Plus Manual Book page 43

Adding Complex Numbers
Example: Add (3+5×) + (2-3×).
Press
£ Ã y V ¤
3 5
à £ ¹ y V ¤
2 3
Í
The × character is the second function of Ë (the decimal key).
Note:
Getting Started
Result
35