Texas Instruments TI-84 PLUS - Graphing Calculator User Manual

Chapter 15: CATALOG, Strings, Hyperbolic Functions 272
sub(
sub( returns a string that is a subset of an existing string. string can be a string or a string variable.
begin is the position number of the first character of the subset. length is the number of characters in
the subset.
sub(string,begin,length)
Entering a Function to Graph during Program Execution
In a program, you can enter a function to graph during program execution using these commands.
Note: When you execute this program, enter a function to store to Y3 at the ENTRY= prompt.

Texas Instruments TI-84 PLUS - Graphing Calculator Specifications

General

Type	Graphing Calculator
Display Type	LCD
Screen Resolution	96 x 64 pixels
Processor	Zilog Z80
Memory	24 KB RAM, 480 KB Flash ROM
Power Source	4 AAA batteries (with backup lithium battery)
Connectivity	I/O port
Weight	7.4 oz (210 g)
Software	TI-OS (Texas Instruments Operating System)