Basic Function Graphing
322
2. As necessary, use
D
and
C
to select the function for the first point.
3. Set the first point. Either use
A
or
B
to move the cursor to the point or type its x
value.
4. Press
¸
. A
+
marks the point.
5. If the second point is on a different function, use
D
and
C
to select the function.
6. Set the second point. (If you use the cursor to set the point, a line is drawn as you
move the cursor.)
Drawing a Tangent Line
1. From the
Graph
screen, press
‡
and select
A:Tangent
.
2. As necessary, use
D
and
C
to select the applicable function.
Note:
To erase a drawn tangent line, press
†
(
ReGraph
).
7. Press
¸
.
The distance between the two points is
displayed, along with the connecting line.
3. Set the tangent point. Either move the
cursor to the point or type its x value.
4. Press
¸
.
The tangent line is drawn, and its
equation is displayed.
Summary of Contents for Titanium TI-89
Page 9: ...Getting Started 6 TI 89 Titanium keys Ë Ì Í Ê ...
Page 34: ...Getting Started 31 2 or D 2 B u s i n e s s D B D B Press Result ...
Page 43: ...Getting Started 40 3 0 D B D D B D Press Result ...
Page 44: ...Getting Started 41 D 2 0 0 2 D B Scroll down to October and press Press Result ...
Page 58: ...Getting Started 55 Example Set split screen mode to TOP BOTTOM Press Result 3 B D ...
Page 70: ...Getting Started 67 ...
Page 175: ...Operating the Calculator 172 From the Keyboard ...
Page 456: ...Tables 453 ...
Page 527: ...Data Matrix Editor 524 ...