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TI-83 Plus Parametric Graphing 155
1. Press
z
. Press
†
†
†
~
Í
to select
Par
mode. Press
†
†
~
Í
to select
Simul
for simultaneous graphing of all three
parametric equations in this example.
2. Press
o
. Press
30
„
™
25
y
;
1
(to select
¡
)
¤
Í
to define
X
1T
in terms of
T
.
3. Press
30
„
˜
25
y
;
1
¤
¹
9.8
¥
2
„
¡
Í
to define
Y
1T
.
The vertical component vector is defined by
X
2T
and
Y
2T
.
4. Press
0
Í
to define
X
2T
.
5. Press
~
to display the
VARS Y
.
VARS
menu.
Press
2
to display the
PARAMETRIC
secondary
menu. Press
2
Í
to define
Y
2T
.