Texas Instruments TI-83 Guide Book

15-6 CATALOG, Strings, Hyperbolic Functions
8315CATS.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:54 PM Printed: 02/19/01 1:39
PM Page 6 of 10
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
4
String(
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
4
Equ(
Converts a string to an equation.
sub(
Returns a string subset as a string.
...
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
Ã
and enter
string3
, and so on.
string1
+
string2
+
string3
. . .
4. Press
Í
to display the strings as a single string.
To select a string function or instruction and paste it to the
current screen, follow the steps on page 15
.
2.
String Functions and Instructions in the CATALOG
Displaying String
Functions and
Instructions in
the CATALOG
+ (Concatenation)
Selecting a String
Function from
the CATALOG

Texas Instruments TI-83 Specifications

General

Programming	TI-BASIC
Processor	Zilog Z80, 6 MHz
Weight	7.4 oz (210 g)
Display	96x64 pixels, monochrome LCD
Power Source	4 AAA batteries, 1 CR1616 or CR1620 for backup
Memory	32 KB RAM
Connectivity	2.5mm I/O port for linking with other TI calculators