Defining And Editing Polar Equations; Selecting And Deselecting Polar Equations; Setting Window Variables - Texas Instruments TI-84 Plus Manual Book

Defining and Editing Polar Equations

Defining and Editing Polar Equations Defining and Editing Polar Equations Defining and Editing Polar Equations
To define or edit a polar equation, follow the steps in Chapter 3 for defining a function or
editing a function. The independent variable in a polar equation is q. In Pol graphing
mode, you can enter the polar variable q in either of two ways.
Press „.
•
Press ƒ
•
[

Selecting and Deselecting Polar Equations

Selecting and Deselecting Polar Equations
Selecting and Deselecting Polar Equations Selecting and Deselecting Polar Equations
The TI-84 Plus graphs only the selected polar equations. In the Y= editor, a polar
equation is selected when the
equations.
To change the selection status, move the cursor onto the

Setting Window Variables

Setting Window Variables
Setting Window Variables Setting Window Variables
To display the window variable values, press p. These variables define the viewing
window. The values below are defaults for Pol graphing in Radian angle mode.
qmin=0
qmax=6.2831853...
qstep=.1308996...
Xmin=L10
Chapter 5: Polar Graphing
q
.
]
sign is highlighted. You may select any or all of the
=
Smallest
q
Largest
Increment between
Smallest X value to be displayed
q
value to evaluate
value to evaluate (2
q
values (
sign, and then press Í.
=
p
)
pà
24)
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