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Section
5
Item
Counter Oqeration
:,1
GENERAL
lrer.n
counting capability,
added
to
any 300
,.:::es calclrlator, provides
the
user
with
the
':':,ns fór
tallying many
of
the
keyboard
::rltions
(refer
to
p.
1-6). Primarily
used
: :
statistical applications. many other
uses
...irirnt the addition of this
accessory.
Example
I
Example 2
Example 3
sEcrloN
5
ITEM COUNTER OPERATION
5.2
OPERATING INSTRUCTIONS
Operation
of
the
Item Counter
is
controlled
by a
series
of
selector switches. To count
a
desired
function, set the
appropriate switch
by
pushing
it to
the
upper position.
The
colrnter is "zerosd"
by
depressing
the
black
knob locateti directly below the readout win-
dow.
5-l
Cottnt lhe Number of
I
tems
in
an
X2
operation:
Set the Counter X'? selector switch to the up-
per position. Set all other selector switches to
the lower position.
Set
the counter readout to
zero- Operate the keyboard
for
all values
of
X
to
be squared.
The
IC-l will
indicate tlle num-
ber
of
calculations
of
the
X2 function.
Count
the
Number oí MLtltiplicdÍions:
Set
the X= switch
of
the
IC-l
to the
upper po-
sition.
Place
all other switches
to
the lower po-
sition. Set the counter
readout
to
zero. Per-
form multiplications on the keyboard
as
usua1.
The
lC-l
will
indicate the number
of
multi-
plication operations performed.
Cotmt the Nuntber
o.f
Dittisions:
Set the
ENTER switch
of
the
IC-l
to
the up-
per position.
Place
all other
switches
to
the
lower position, and set the counter readout to
zero. Perform dlvisions on the keyboard; the
lC-l
will
indicate the number of division oper-
ations performed.
I
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