User Manual

Chapter 8: Polar Graphing
117
08POL.DOC TI-86, Chap 8, US English Bob Fedorisko Revised: 02/13/01 2:26 PM Printed: 02/13/01 3:02 PM Page 117 of 808POL.DOC TI-86, Chap 8, US English Bob Fedorisko Revised: 02/13/01 2:26 PM Printed: 02/13/01 3:02 PM Page 117 of 8
Defining a Polar Graph
The steps for defining a polar graph are similar to the steps for defining a function graph. This
chapter assumes that you are familiar with Chapter 5: Function Graphing and Chapter 6:
Graph Tools. Chapter 8 details aspects of polar graphing that differ from function graphing.
Setting Polar Graphing Mode
To display the mode screen, press
- m
. To graph polar equations, you must select
Pol
graphing mode before you enter equations, set the format, or edit window variable values. The
TI
-
86 retains separate equation, format, and window data for each graphing mode.
The GRAPH Menu
6
r(
q
)= WIND ZOOM TRACE GRAPH
4
MATH DRAW FORMT STGDB RCGDB
4
EVAL STPIC RCPIC
polar polar polar
equation window graph math
editor editor menu
Chapter 5 describes these
GRAPH
menu items:
GRAPH
and
FORMT
.
Chapter 6 describes these
GRAPH
menu items:
ZOOM
,
TRACE
,
DRAW
,
STGDB
,
RCGDB
,
EVAL
,
STPIC
, and
RCPIC
.