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e.
Key in data
ànd
depress
START switch
located on
top of
card programmer.
f.
Program
will
automatically perform the
programmed calculations and stop
at
the pre-
determined program
steps
to allow
the keying
of
data, etc.
After
each
programmed stop, the
CONTINUE switch must be
depressed
to
re-
sume
the programmed operations.
g.
After
completion
of
the program,
the
card may
be
removed
from
the Card Program-
mer.
The calculator will
operate
normally
and
disregard
the condition
ol
the
Card Program-
mer.
It
may
remain connected, open
or
closed.
To
prevent accidental
damage
to
the
pin
con-
tacts, however,
it
is
recommended
that
it
be
closed.
4.10
SCIENTIFIC NOTATION
Models 320, 360, and 362 Calculators
can
multiply,
divide and find
powers
of Xn
such
that the
magnitude
of
the results can
range
from
l0
eeeee
to
l0eeeeer This type of
calculation can be done using the
two
pro-
grams,
MultiplicaÍion
and
Divisiort Using
Sci-
entíÍic Notation, No.
32.9.24
MA,
and Xn
Using
Scientilïc Notation, No.
320.23
MA;
and
the
principles
of
scientific
notation.
Most
users
are
familiar with
the concept
of
scientific notation. Basically
it
is
a
method
used
to represent extremely large or extremely
small numbers.
A number
in scientific notation
has
two
parts; the number itself followed by
a power
of l0
which
designates
where
the
decimal
point
should be.
A
positive
power,
such as
l0n
means
the decimal point is to
be
moved
n
places
to
the right;a
negative power
indicates that the decimal
point
is
to
be
moved
r.t places
to
the left. Thus, 8.67
X
l0a
in
scientific notation
represents
the
number
86700; 8.67
X l0 a
represents
the
num-
ber.000867.
Therefore, these
two
programs are quite
useÍul when we wish to perform
calculations
on extremely
large
or
extremely small
num-
bers.
For
instance,
if
we wish
to
calculate
Section 4
Program Operation
986.5-3
6
.
s
,
the
answer
is extrernely
small,
and
if
we do this directly
on
the
Wang Cal-
culator we
will
wind up
with.000...
How-
ever,
if
we use
Xn
[/slng Scienti.fic
Nor
(.)n,
No. 320.23
-
MA, by following the
operating
procedure, we
will
be able
to
determine the
answer.
OPERATING
PROCEDURE
CLEAR ALL
Irde-
X =
2AOé, push START
Index
n =
36.5
CHS; push CONTINUE
The display
reads
5.
193500110.
The first
five places
of the display
contains the numberi
the last five
places
contain the power
of
l0;
and the
sign
indicates the sign
of power
of
10.
Thus,
986.536-.s
= 5.1935
X
l0
I
ro.
Also,
we can
multiply
and
divide extremely
large and extremely small numbers
by
using
Program
No. 320.23
-
MA. The
program
is
written
to find
the
answer
to
the
expression
A.B.C.
.N
l.
2.
3.
x.Y.z.
Thus,
if
.
.N2
we want
to
calculate
lll
111X
22.2,222
999,999,999 X888,888,888 X
77',t
,111
,7't7
we simply follow the
operating
procedure.
OPERATING PROCEDURE
I.
CLEAR
ALL
2.fWinn=
n
1
-;push
START
3. Repeat step
2
for
B,C,. . .Nr
N
,
--
222 222; push START
4. Key
in X =
999999999 gH§; push START
5. Repeat step 4
for Y,2,.
.
.N2
Key in Y
=
888888888 9H§;push START
Key in
N,
=777771771 qH§;
push START
6.
After all
numbers
in
the denominator
are
entered;push CONTINUE
The
display
reads
3jJ]Jg9.l_?,
which
means
number power
of
10
the
answer is
3.5714
X
I
0-r
7
4-9
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