Sharp EL-733 EL-733A Operation Manual - Page 60

ndFl, shown, 19'951.34

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schedule represents a complete investment (in other words, every cash-flow that applies to this investment is shown). So once you key in this cash-flow schedule, the calculation of the IRR is a one key operation. Keying in cash-flow schedules like this is described in the previous section starting on page 105. Here are the keystrokes: (Mode: FIN) (2ndFl CA 4401145.98 29 2ndF Nt 19'951.34 1+14 2 OdFI ID 0 QCFi 100'000 [+14 CFi After pressing the above keys, the cash-flow schedule for the lease with advance payments is stored in your EL-733A. To calculate the quarterly rate that governs that schedule, press: Result: 2.70 This calculation may take a little time. Multiply the above result by four to get the annualized rate, which is 10.81%. So as you can see, by making payments in advance you are effectively increasing the interest rate you pay. NOTICE that, when keying in your numbers, you should do all calculations ahead of time. You should not do any calculations while you are in the middle of keying in a list of Er/ 's and Ni 's. More examples of NPV and IRR calculations start on page 119. 116 WHERE DO ALL THOSE NUMBERS CO? Before you look at more examples in Discounted Cash-Flow Analysis, have you been wondering where all those numbers (cash-flows and n's) go when you key them in? They are all stored in the memory registers of your calculator, and you can change them individually if you so desire. If you have just worked through the preceding example, the memory of your calculator has numbers stored in it as shown on the following diagram: 0 .9 0 .8 0 .7 0 .6 .5 0 .4 .3 0 .2 0 .1 0 .0 0 9 0 8 0 7 0 6 05 0 4 -100'000.00 3 0.00 2 -19'951.34 1 438'145.98 0 n ol I PV FV PMT a( 1 of I of I of NM Registers I I The M Register (The numbered registers must be activated before they can be used for storing and recalling numbers) Numbered Registers The numbered registers 0 through 4 are shown enlarged so you can read their contents. These registers contain the values of the cash-flow groups on the last cash-flow schedule that you keyed in. 117

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schedule
represents
a
complete
investment
(in
other
words,
every
cash
-flow
that
applies
to
this
investment
is
shown).
So
once
you
key
in
this
cash
-flow
schedule,
the
calculation
of
the
IRR
is
a
one
key
operation.
Keying
in
cash
-flow
schedules
like
this
is
described
in
the
previous
section
starting
on
page
105.
Here
are
the
keystrokes:
(Mode:
FIN)
(2ndFl
CA
440
1
145.98
29
2ndF
Nt
19'951.34
1+14
2
OdFI
ID
0
CF
Qi
100'000
[+14
CFi
After
pressing
the
above
keys,
the
cash
-flow
schedule
for
the
lease
with
advance
payments
is
stored
in
your
EL
-733A.
To
calculate
the
quarterly
rate
that
governs
that
schedule,
press:
Result:
2.70
This
calculation
may
take
a
little
time.
Multiply
the
above
result
by
four
to
get
the
annualized
rate,
which
is
10.81%.
So
as
you
can
see,
by
making
payments
in
advance
you
are
effectively
increasing
the
interest
rate
you
pay.
NOTICE
that,
when
keying
in
your
numbers,
you
should
do
all
calculations
ahead
of
time.
You
should
not
do
any
calculations
while
you
are
in
the
middle
of
keying
in
a
li
st
of
Er/
's
and
Ni
's.
More
examples
of
NPV
and
IRR
calculations
start
on
page
119.
WHERE
DO
ALL
THOSE
NUMBERS
CO?
Before
you
look
at
more
examples
in
Discounted
Cash
-Flow
Analysis,
have
you
been
wondering
where
all
those
numbers
(cash
-flows
and
n's)
go
when
you
key
them
in?
They
are
all
stored
in
the
memory
registers
of
your
calculator,
and
you
can
change
them
individually
if
you
so
desire.
If
you
have
just
worked
through
the
preceding
example,
the
memory
of
your
calculator
has
numbers
stored
in
it
as
shown
on
the
following
diagram:
0
0
0
0
.9
.8
.7
.6
.5
.4
.3
.2
.1
.0
9
8
7
6
5
4
3
2
1
0
Numbered
Registers
0
0
0
0
0
0
0
0
0
0
—100'000.00
n
0.00
—19'951.34
438'145.98
PV
FV
PMT
ol
I
a(
1
of
I
of
I
of
NM
Registers
I
I
The
M
Register
(The
numbered
registers
must
be
activated
before
they
can
be
used
for
storing
and
recalling
numbers)
The
numbered
registers
0
through
4
are
shown
enlarged
so
you
can
read
their
contents.
These
registers
contain
the
values
of
the
cash
-flow
groups
on
the
last
cash
-flow
schedule
that
you
keyed
in.
116
117