Texas Instruments TI-83 Guide Book

Tables and Reference Information A-11
8399APXA.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:25 PM Printed: 02/19/01 1:40 PM
Page 11 of 58
Function or Instruction/
Arguments Result
Key or Keys/
Menu or Screen/Item
GraphStyle(
function#
,
graphstyle#
)
Sets a
graphstyle
for
f
unction#
.
†

CTL
H:GraphStyle(
16
-
15
GridOff
Turns off grid format.
†
y
[
FORMAT
]
GridOff
3
-
14
GridOn
Turns on grid format.
†
y
[
FORMAT
]
GridOn
3
-
14
G-T
Sets graph-table vertical
split-screen mode.
†
z
G-T
1
-
12
Horiz
Sets horizontal
split-screen mode.
†
z
Horiz
1
-
12
Horizontal
y
Draws a horizontal line at
y
.
y
[
DRAW
]
DRAW
3:Horizontal
8
-
6
identity(
dimension
)
Returns the identity matrix of
dimension
rows ×
dimension
columns.

MATH
5:identity(
10
-
13
:If
condition
:
commandA
:
commands
If
condition
= 0 (false), skips
commandA
.
†

CTL
1:If
16
-
9
:If
condition
:Then
:
commands
:End
:
commands
Executes
commands
from
Then
to
End
if
condition
= 1
(true).
†

CTL
2:Then
16
-
9
:If
condition
:Then
:
commands
:Else
:
commands
:End
:
commands
Executes
commands
from
Then
to
Else
if
condition
= 1
(true); from
Else
to
End
if
condition
= 0 (false).
†

CTL
3:Else
16
-
10
imag(
value
)
Returns the imaginary
(nonreal) part of a complex
number or list of complex
numbers.

CPX
3:imag(
2
-
18

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