Texas Instruments TI-86 - Manual (Page 120)

108
Chapter 6: Graph Tools
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 108 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 108 of 22
Placing Text on a Graph
ᕡ Select TEXT from the GRAPH DRAW menu.
The text cursor is displayed.
ᕢ Move the cursor to where you want to enter
text. Text is entered below the text cursor.
6/ '
/ / /
&
" # ! $
ᕣ Set alpha-lock and enter min . (The alpha
cursor ( Ï ) is displayed in the top-right
corner.
ᕤ Move the cursor to another location.
ᕥ Enter
max (alpha-lock remains on).
- n 1
ã
M д г I д г N д
" # ! $
г M д г A д г X ä
Turning On or Turning Off Points
ᕡ Select PTON (or PTOFF ) from the GRAPH
DRAW menu.
ᕢ Move the cursor to where you want to draw
(or erase) a point.
ᕣ Turn on (or turn off) the point.
6 / '
/ (
" # ! $
b
To continue drawing points, repeat steps 2 and 3. To cancel PTON , press :.
This example adds to the
PEN
example drawing.
Before you start, you may
want to store the arrows to a
picture variable (page 102).
To erase a character when
using TEXT, move the TEXT
cursor above it and then
press
1 ¤ or - n
¤ to overwrite it.
In the example, the function
y(x)=x^3+.3x
2 N 4x is selected.
Also, ZSTD was executed.
Points are turned on at (
L 5,5),
(5,5), (5, L 5), and ( L 5, L 5).