Selecting And Deselecting A Parametric Equation; Deleting A Parametric Equation; Setting The Graph Screen Window Variables - Texas Instruments TI-86 Manual Book

default is 2p.
tMax
default is pà24.
tStep

Selecting and Deselecting a Parametric Equation

When a parametric equation is selected, the equals signs (
To change the selection status of a parametric equation, move the cursor onto either
, and then select
yt SELCT

Deleting a Parametric Equation

To delete a parametric equation using
select from the equation editor menu. Both components are deleted.
DELf
To delete a parametric equation using the
the component. If you select the
xt

Setting the Graph Screen Window Variables

To display the parametric window editor, select
menu (6 ').
the
GRAPH
same window variables as
is not available in
xRes
, , and
tMin tMax tStep
The values shown in the picture to the right are the
defaults in mode.
Radian
tMin=0
tMax=6.28318530718
tStep=.13089969389957
from the equation editor menu. The status is changed for
, move the cursor to either
DELf
MEM DELET
component, the equation is retained in memory.
yt
WIND
graphing mode has the
Param
graphing mode, except:
Func
mode.
Param
are available in mode.
Param
indicates that
$ yMin=L10
Specifies the starting t value
Specifies the ending t value
Specifies the increment from one
Chapter 9: Parametric Graphing
) of both and
= xt
xt
menu (Chapter 17), you must select
from
, , and are beyond the screen.
yMax=10 yScl=1
t value to the next
127
are highlighted.
yt
or
xt
and .
xt yt
or , and then
yt