Sharp EL733A EL-733A Operation Manual - Page 23

interest, period, periods

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RECOGNIZING A TVM PROBLEM The primary TVM functions are listed below: E) Number of periods. M Interest rate per period. Ifliff+tftffttft+ PMT PV = interest rate per period FV I n periods ri Present value. n Future value. • M Payment. Other functions are provided for amortization and interest conversions, but those functions are addressed starting on i pages 93 and 69 respectively. They have one cash-flow at the beginning of the time line (called the PV or Present Value), one at the end of the time line (the Future Value or FV), and a stream of regular periodic payments (PMT), all of the same amount, in between. Typically, mortgages and loans, leases, savings, annuities, and contracts with regular payments can be analyzed using the TVM group of functions. Financial problems that work with the TVM group of I functions usually have cash-flow schedules that look like this: PV +nit i = interest rate per period n periods FV ...or this:

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RECOGNIZING
A
TVM
PROBLEM
The
primary
TVM
functions
are
li
sted
below:
E)
Number
of
periods.
M
Interest
rate
per
period.
ri
Present
value.
n
Future
value.
M
Payment.
•
Other
functions
are
provided
for
amortization
and
interest
conversions,
but
those
functions
are
addressed
starting
on
i
pages
93
and
69
respectively.
Financial
problems
that
work
with
the
TVM
group
of
I
functions
usually
have
cash
-flow
schedules
that
look
like
this:
PV
i
=
interest
rate
per
period
n
periods
+
nit
...or
this:
FV
FV
Ifliff+tftffttft+
I
n
periods
PMT
PV
=
interest
rate
per
period
They
have
one
cash
-flow
at
the
beginning
of
the
time
line
(called
the
PV
or
Present
Value),
one
at
the
end
of
the
time
line
(the
Future
Value
or
FV),
and
a
stream
of
regular
periodic
payments
(PMT),
all
of
the
same
amount,
in
between.
Typically,
mortgages
and
loans,
leases,
savings,
annuities,
and
contracts
with
regular
payments
can
be
analyzed
using
the
TVM
group
of
functions.