Operation Manual

Appendix A: Functions and Instructions 356
Goto
label Transfers control to label.
† 
CTL
0:Goto
GraphColor(
function#,
color#)
Sets the color for function#. Color #: 10-24.
† 
CTL
H:GraphColor(
GraphStyle(
function#,
graphstyle#)
Sets a graphstyle for function#.
† 
CTL
H:GraphStyle(
GridDot [color#]
Turns on grid dots in the graph area in the specified
color. Color #: 10-24.
† y .
GridDot
GridLine [color#]
Turns on grid lines in the graph area in the specified
color. Color #: 10-24.
† y .
GridLine
GridOff
Turns off grid format. † y .
GridOff
G-T Sets graph-table vertical split-screen mode. † z
GRAPH-TABLE
Horiz
Sets horizontal split-screen mode. † z
Horiz
Horizontal
y[,color#,
linestyle#
]
Draws a horizontal line at
y in a specified Color #: 10-
24 and line style #: 1-4.
y <
DRAW
3:Horizontal
i
Returns the complex number i.
y
V
identity(dimension) Returns the identity matrix of dimension rows x
dimension columns.
y >
MATH
5:identity(
:If
condition
:commandA
:commands
If condition = 0 (false), skips commandA.
† 
CTL
1:If
:If
condition
:Then
:
commands
:End
:
commands
Executes commands from Then to End if condition =1
(true).
† 
CTL
2:Then
: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
imag(
value)
Returns the imaginary (non-real) part of a complex
number or list of complex numbers.

CMPLX
3:imag(
IndpntAsk
Sets table to ask for independent-variable values. † y -
Indpnt: Ask
F unction or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item