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Sample Case:
An
invoice for $600
is
dated January 10,
1973
and
is
paid on
January
20.
Terms
are specified as
2/ 10,
n/
60-anticipation
allowance
is
6
%
.
Determine
the
following:
•
A mount of
2/
10
Di
sco
unt
•
Invo ice
Balance
Rema
ining
(Net Difference)
•
Amoun
t
of Anticipation
Discount
•
Net
Invoice Amount
Solution
See Displayed:
-----.~
$_
2/10
discount
I
------------~.~
$_
balance (net difference)
l
--------;.~
$
_
anticipation
discount
l
-------------.~
$_
net
invoice
amount
Statistical Analysis
Mean,
Standard Deviation
This
calculation finds the mean
(arithmetic average)
and standard devi-
ation
(measure
of dispersion around
the
mean).
Options are
provided
to enable you to interact
with and
modify results by adding
new data
or correcting
data
entry
errors.
In addition
,
the number of entries
and
sum
of
the
squares
can be obtained. Information
is entered
as follows:
CLEAR
CD
Press
.
CLX
to
assure
the
HP-80
is
clear
of
previous
data.
o
Key in
va lues successively
until
al! are entered;
press
~
after
eac
h
en try~
To
correct
an
incorrect
value
before
it
is
loaded with
th
e ~
keystroke,
press
CLX
.
After the
value
is
loaded,
correct
by reentering
in correct
value,
press
.
1-
~,
enter correct
value,
press
~,
and
continue entering
va lues
.
The last ~
pressed provides
the
sum
of
all
entries.
o
Press
.
to
obtain
mean.
o
Press
X:~
to
obtain
standard
devi ation
.
If there
are
more values
to be
entered,
go
to step
0.
o
Press
:y
again.
~I
@
Press
•
•
,
go
to
step
0
.
'Data values must
be keyed in manually
prior
to
each
~
keystroke;
they cannot
be
generated
through intermediate
calculat ions or
RCL
operat
ions.
46
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