Texas Instruments TI-83 PLUS - Manual (Page 492)

TI-83 Plus CATALOG, Strings, Hyperbolic Functions 489
String Functions and Instructions in the
CATALOG
Displaying String Functions and Instructions in the CATALOG
String functions and instructions are available only from the
CATALOG
.
The table below lists the string functions and instructions in the order in
which they appear among the other
CATALOG
menu items. The ellipses in
the table indicate the presence of additional
CATALOG
items.
CATALOG
...
Equ 4String( Converts an equation to a string.
expr( Converts a string to an expression.
...
inString( Returns a character’s place number.
...
length( Returns a string’s character length.
...
String 4Equ( Converts a string to an equation.
sub( Returns a string subset as a string.
...