Texas TI-86 ユーザーズマニュアル
Chapter 6: Graph Tools
103
06TOOLS.DOC TI-86, Chap 6, US English Bob Fedorisko Revised: 02/13/01 2:23 PM Printed: 02/13/01 3:01 PM Page 103 of 22
06TOOLS.DOC TI-86, Chap 6, US English Bob Fedorisko Revised: 02/13/01 2:23 PM Printed: 02/13/01 3:01 PM Page 103 of 22
Clearing Drawn Pictures
To clear drawn pictures while the graph is displayed, select
CLDRW
from the
GRAPH
DRAW
menu. The graph is replotted and displayed with no drawn elements.
To clear drawn pictures from the home screen, select
ClDrw
from the
CATALOG
.
ClDrw
is
pasted to the cursor location. Press b.
Done
is displayed; when you display the graph
again, no drawings are displayed.
The GRAPH DRAW Menu
6 / '
MATH
DRAW FORMT STGDB RCGDB
Shade
LINE
VERT
HORIZ
CIRCL
4
DrawF
PEN
PTON
PTOFF PTCHG
4
CLDRW
PxOn
PxOff
PxChg
PxTest
4
TEXT
TanLn
DrInv
You can use these
GRAPH
DRAW
menu items only on the home screen or in the program editor.
Shade(
Shades a specified area of a graph (See page 104)
DrawF
expression
Draws expression as a function
PxOn(
row
,
column
)
Turns on the pixel at
(
row
,
column
)
PxOff(
row
,
column
)
Turns off the pixel at
(
row
,
column
)
PxChg(
row
,
column
)
Changes the on
àoff status of the pixel at
(
row
,
column
)
PxTest(
row
,
column
)
Returns
1
if the pixel at
(
row
,
column
)
is on, or
0
if the pixel is off
TanLn(
expression
,
x
)
Draws expression as a function and a tangent line of expression at x
DrInv
expression
Draws the inverse of expression
DrInv
is not available in
Pol
,
Param
, or
DifEq
graphing
modes.
For
PxOn
,
PxOff
,
PxChg
, and
PxTest
,
row
and
column
are
integers, where
0
row
62
and
0
column
126
.
For
DrawF
,
TanLn
, and
DrInv
,
expression
is in terms
of
x
. Also, you cannot include
a list in
expression
to draw a
family of curves.