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TI-83 Plus Applications 457
4. Press
}
}
}
}
}
to place the cursor on the
PV
prompt. Press
ƒ
\
to solve for the
present value.
5. Press
o
to display the parametric
Y=
editor.
Turn off all stat plots. Press
„
to define
X1T
as
T
. Press
†
Œ
Í
9
„¤
to define
Y1T
as
bal(T)
.
6. Press
p
to display the window variables.
Enter the values below.
Tmin=0 Xmin=0 Ymin=0
Tmax=360 Xmax=360 Ymax=125000
Tstep=12 Xscl=50 Yscl=10000
7. Press
r
to draw the graph and activate the
trace cursor. Press
~
and
|
to explore the
graph of the outstanding balance over time.
Press a number and then press
Í
to view
the balance at a specific time
T
.
8. Press
y
-
and enter the values below.
TblStart=0
@
Tbl=12