INTRODUCTION
Your
calculator
is
light
enough
and
small
enough
to
be used
in
one hand,
but
it
provides
a
standard
keyboard
and
a
light
emitting
diode
(LED)
display
that
is
easily
read at
home
or
in
the office.
The
eight
digit
displayand the full floating decimal
allowthe calculation
of
any
problem
without
sacrificing accuracy.
Whether you
want
to solve
engineering
or
bUdget
problems,
your
calculator
hasthe
ability
with
features such as clearentry,
automatic
squaring, and
amanual
constant
register that will
perform
integer
powers, reciprocals and
fractions
as well as chain
and mixed calculations.
Thebanery w\\l recharge inseven hours and operate
the
calculator
for
three,
but
with
the
charger/power
supply
no
useful timewill
be
lostsince
it
operates
the calculatorwhile charging
it.
We
suggest that this programmed Instruction
Manual
be
read
with
the
calculator
in
hand.
Performing
the
operations
as
you
read
them
will increase your
familiarity with
them.
For
a
qUick
reference,
an
outline ofoperations
is
on
the
back
of
the
calculator.
,
,
OPERATION
AC Operation:
Connect the Charger unit to any standard
120 Volt electrical outlet and plug the
connector
into the Calculator. After the
above connections,
the
power switch may
be turned on and operation started. (While
connected to AC, the jnternal batteries are
automatically charged whether the
power
switch is
"ON"
or
"OFF".)
Battery Operation:
Disconnect the
Charger
cord and turn the
power switch
"ON".
With normal use afull
battery charge can be expected to supply
about 3hours of
working
time.
NOTE: When the low battery
indicator
(L) on the display is lighted, do not
continue battery operation. This
indicates need for abattery charge.
Battery Charging:
Simply follow the same
procedure
as
in AC
operation. The Calculator may be used
during
the charge period
if
desired. !n
order
to fully charge abattery
which
has
bee~
completely discharged, 7hours is reqUIred.
In most cases,
an
overnight
charge
should
be adequate
if
the
batteries have
not
been
fully discharged.
NOTE: Although no damage will result
from
prolonged
periods with the Charger
connected, it is advisable to remove the
Charger
cord
when the Calculator
is
not
in
use
after
a
full
recharge
cycle.
CAUTION: To avoid possible damage, use
only the charger provided with the calculator.