Polar Graphing
329
You can use the
Define
command from the Home screen (see the
Technical Reference
module) to define functions and equations for any graphing mode, regardless of the
current mode.
The Y= Editor maintains an independent function list for each
Graph
mode setting. For
example, suppose:
•
In FUNCTION graphing mode, you define a set of
y(x)
functions. You change to
POLAR graphing mode and define a set of
r(
q
)
equations.
•
When you return to FUNCTION graphing mode, your
y(x)
functions are still defined
in the Y= Editor. When you return to POLAR graphing mode, your
r(
q
)
equations are
still defined.
Selecting the Display Style
The
Above
and
Below
styles are not available for polar equations and are dimmed on the
Y= Editor’s
Style
toolbar menu.
Window Variables
The Window Editor maintains an independent set of Window variables for each
Graph
mode setting (just as the Y= Editor maintains independent function lists). Polar graphs
use the following Window variables.
Variable
Description
q
min,
q
max
Smallest and largest
q
values to evaluate.
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 ...
