Texas Instruments TI-84 PLUS - Graphing Calculator User Manual

Chapter 15: CATALOG, Strings, Hyperbolic Functions 270
Concatenation
To concatenate two or more strings, follow these steps.
1. Enter string1, which can be a string or string name.
2. Press Ã.
3. Enter string2, which can be a string or string name. If necessary, press à and enter string3, and
so on.
string1+string2+string3...
4. Press Í to display the strings as a single string.
Selecting a String Function from the CATALOG
To select a string function or instruction and paste it to the current screen, follow the steps for
selecting an item from the CATALOG.
Equ4String(
Equ4String( converts an equation to a string. The equation must be store in a VARS Y-VARS
variable.
Yn contains the equation. Strn (from Str1 to Str9, or Str0) is the string variable to which
you want the equation to be stored.
Equ4String(Yn,Strn)
expr(
expr( converts the character string contained in string to an expression and executes it. string can
be a string or a string variable.

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)