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HP HP-65 - Page 73

HP HP-65
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Programming
Programming
Label
:
Difference
Between
Savings
and
Down-
payment.
Here
we
are
looking
for
successive
values
of
the
difference
be-
tween
the
label
[[
and
label
[F]
calculations
for
each
month.
The
program
has
to
start
by
recalling
the
initial
values
for
sav-
ings
and
downpayment
so
that
the
difference
for
month
1,
2, 3,
..
.
etc.
can
be
calculated.
This
means
that
we
cannot
press
and
get
successive
values
for
the
difference.
Therefore,
a
slightly
different
technique
using
looping
and
is
used
in
writing
the
program.
1.
Switch
to
W/PRGM.
Do
not
press
[if]
PRGV_].
2.
As
before,
you
should
see 24, the
code
for
at
the
end
of
BE.
You
are
ready
to
enter
the
sequence
below.
COMMENTS
}
Savings
Dnpmt
=
Difference
Note
that
Label
first
calls
[}
to
calculate
the
savings
and
then
calls
[[j
to
calculate
the
downpayment
before
subtracting
and
stopping.
To
operate:
3.
Switch
to
RUN.
4.
Follow
the
instructions
below.
INSTRUCTIONS
b
DAOTUTPUY

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