User Manual

Appendix A: Functions and Instructions 362
GraphStyle(function#,
graphstyle#)
Sets a graphstyle for function#.
† 
CTL
H:GraphStyle(
GridOff Turns off grid format.
†
y .
GridOff
GridOn Turns on grid format.
†
y .
GridOn
G-T Sets graph-table vertical split-screen mode.
† z
G-T
Horiz Sets horizontal split-screen mode.
† z
Horiz
Horizontal y Draws a horizontal line at y.
y <
DRAW
3:Horizontal
i
Returns a complex number.
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 (nonreal) part of a complex number
or list of complex numbers.

CPX
3:imag(
IndpntAsk Sets table to ask for independent-variable values.
†
y -
Indpnt: Ask
IndpntAuto Sets table to generate independent-variable values
automatically.
† y -
Indpnt: Auto
Input Displays graph.
†

I/O
1:Input
F
unction or
Instruction/Arguments Result
Key or
Keys/Menu or
Screen/Item