Working With Variables; Using Variable Names - Texas Instruments TI-84 Plus CE Getting Started

Working with Variables

Using Variable Names

Variables and Defined Items
You can enter and use several types of data, including real and complex
numbers, matrices, lists, functions, stat plots, graph databases, graph pictures,
and strings.
The TI-84 Plus CE uses assigned names for variables and other items saved in
memory. For lists, you also can create your own five-character names.
Variable Type
Real numbers
(including fractions)
Complex numbers
Matrices
Lists*
Functions
46 Working with Variables
Names
, B , ... , Z, q
A
, B , ... , Z, q
A
ã A ä , ã B ä , ã C ä, ... , ã J ä
To enter a matrix name:
Press y ¾.
1.
The Matrix Names menu appears.
2. Press the number on the keypad that
corresponds with the desired Matrix Name.
Ex: Press 1 for [A] as shown below.
, L2 , L3 , L4 , L5 , L6 , and user-defined names
L1
, Y2 , ... , Y9 , Y0
Y1