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
Function or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item
