Selecting The Display Style; Window Variables - Texas Instruments TITANIUM TI-89 User Manual

You can use the
Define
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
example, suppose:
• In FUNCTION graphing mode, you define a set of
POLAR graphing mode and define a set of
• When you return to FUNCTION graphing mode, your
in the Y= Editor. When you return to POLAR graphing mode, your
still defined.

Selecting the Display Style

Selecting the Display Style
Selecting the Display Style Selecting the Display Style
The and
Above Below
Y= Editor's toolbar menu.
Style

Window Variables

Window Variables Window Variables Window Variables
The Window Editor maintains an independent set of Window variables for each
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
Polar Graphing
command from the Home screen (see the Technical Reference
styles are not available for polar equations and are dimmed on the
q values to evaluate.
Graph
functions. You change to
y(x)
equations.
r( q )
functions are still defined
y(x)
mode setting. For
equations are
r( )
q
Graph
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