Casio FX-9750G plus User Manual page 357

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Now you can press 6 to draw a cash flow graph.
6(GRPH)
PV
The left side is , while the right side is
positive (+), while the bottom part is negative (–).
u u u u u Installment savings
Input Condition: Future value is greater than the total of payments.
Formula Representation of Input Condition:
PMT FV
and have different signs (positive, negative) when
FV n × PMT
– <
FV n × PMT
– >
Example Calculate the interest rate required to have a $2,500 balance in
an installment savings account in two years when $100 is
deposited each month and interest is compounded semiannu-
ally.
Perform the following key operations from the input screen.
c*bcw(Input
c
PV
aw(
-baaw(
cfaaw(
bcw(Monthly installment)
cw(Compounding every six months)
I
%)
2(
u u u u u Loans
Input Condition: Total of payments is greater than loan amount.
Formula Representation of Input Condition:
PMT PV
and have different signs (positive, negative) when
×
PV n PMT
– >
PV n × PMT
– <
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Compound Interest Calculations
FV
. The upper part of the graph is
FV
when > 0
FV
when < 0
= 2 × 12.)
n
= 0)
PMT
= –100)
FV
= 2,500)
PV
when > 0
PV
when < 0
19 - 3
PV
= 0.
FV
= 0.
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