Texas Instruments -84 Plus, Manual Book

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Chapter 1: Operating the TI-84 Plus Silver Edition 25
Using TI-84 Plus Variable Names Using TI-84 Plus Variable Names Using TI-84 Plus Variable Names Using TI-84 Plus Variable Names
Variables and Defined Items
Variables and Defined Items Variables 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
ã
A
ä
,
ã
B
ä
,
ã
C
ä
, ... ,
ã
J
ä
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