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HP -22S Owner's Manual Page 112

Scientific calculator.
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o
1
INPUT
I
36
I
INPUT
I
7250
B
1500
1
INPUT
I
N?value
B?value
B=5,7513.I313
P=-186.89
Stores F, prompts for
N.
Stores N, prompts for
B.
Calculates and stores
B, calculates P.
Part 2:
What interest rate would you have to get to reduce your
monthly payment by $10?
.1
SOLVE
I
{I}
G
10
1 INPUT I
1
INPUT
I
1
INPUT
I
1
INPUT
I
0120
P?-186.89
P=-176.89
F?13.I313
N?36.1313
B?5,7513.I313
1=13.56
6.75
See chapter 8 for additional TVM examples.
112
7: The Equation Library
Selects
I,
prompts for
P.
Calculates and stores
reduced P, prompts for
F.
Retains previous F, N
and B, calculates
I.
Calculates annual in-
terest rate.

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