Texas Instruments TI-84 Plus Guide Book

Chapter 1: Operating the TI-84 Plus Silver Edition 25
Using TI-84 Plus Variable Names
Using TI-84 Plus Variable NamesUsing TI-84 Plus Variable Names
Using TI-84 Plus Variable Names
Variables and Defined Items
Variables and Defined ItemsVariables and Defined Items
Variables and Defined Items
On the TI-84 Plus 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 uses assigned names for variables and other items saved in memory. For
lists, you also can create your own five-character names.
Variable Type Names
Real numbers A, B, ... , Z
Complex numbers A, B, ... , Z
Matrices
ãAä, ãBä, ãCä, ... , ãJä
Lists L1, L2, L3, L4, L5, L6, and user-defined names
Functions Y1, Y2, ... , Y9, Y0
Parametric equations X1T and Y1T, ... , X6T and Y6T
Polar functions r1, r2, r3, r4, r5, r6
Sequence functions u, v, w
Stat plots Plot1, Plot2, Plot3
Graph databases GDB1, GDB2, ... , GDB9, GDB0
Graph pictures Pic1, Pic2, ... , Pic9, Pic0
Strings Str1, Str2, ... , Str9, Str0

Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-