Defining And Displaying Parametric Graphs - Texas Instruments TI-83 Manual Book

Defining and Displaying Parametric Graphs

TI-83 Graphing
Mode Similarities
Setting
Parametric
Graphing Mode
Displaying the
Parametric Y=
Editor
Selecting a
Graph Style
4-4 Parametric Graphing
The steps for defining a parametric graph are similar to the
steps for defining a function graph. Chapter 4 assumes that
you are familiar with Chapter 3: Function Graphing.
Chapter 4 details aspects of parametric graphing that differ
from function graphing.
To display the mode screen, press z. To graph
parametric equations, you must select
before you enter window variables and before you enter
the components of parametric equations.
After selecting
Par
parametric editor.
Y=
In this editor, you can display and enter both the
components of up to six equations,
and . Each is defined in terms of the independent
Y
6T
variable . A common application of parametric graphs is
T
graphing equations over time.
The icons to the left of
style of each parametric equation (Chapter 3). The default
mode is ç (line), which connects plotted points. Line,
in
Par
è (thick), ë (path), ì (animate), and í (dot) styles are
available for parametric graphing.
graphing mode, press o to display the
X
through
X X
1T
graphing mode
Par
and
X
and through
Y
1T 1T
represent the graph
6T
Y
X
6T