Dear
customer,
Tha.
nk
you
very
much
for
purchasing
our
electronic cal-
culator.
To
fully
utilize
its
features
no
special
training
is
re
-
quired,
but
we
suggest
you
study
this
operation manual
to
become
familiar
with
its
many
abilities.
To
help en-
sure
its
·1ongevity,
do
not
touch
the
inside
of
the cal-
culator
,
avoid
hard
knocks
and
unduly
strong
key
pressing.
Extreme
cold
(below
32°F
or
0 °C),
heat
(above
104
° F
or
40°C)
and
humidity
may
also a
ffect
the
functions
of
the
calculator. Never use
vo
latile fluid
such
as
lacquer
thinner,
benzine,
etc.
when
cleaning
the
unit.
For
servicing
contact
your
retailer
or
ne
arby
dealer.
Before starting calculation, be sure to press
the@E)
key
and
to
confirm
that
''O
."
is
shown
on
the
display.
*
Special
care
should
be
taken
not
to
damage
the
un
it
by
bending
or
dropping.
For
example,
do
not
carry
it
in
your
hip
pocket.
INDE
X
1 / GENERAL GUIDE .
.......
.
............
.
....
....
............
5
2 / ORDER OF OPERATIONS
AND
LEVELS ...
...
.
....
7
3 /
CALCULATION
RANGE
AND
SCIENTIFIC
NOTATION
.....
..............................
...
...
......... 8
4 I OVERFLOW OR ERROR CHECK ..........
.......
.
....
9
5 / POWER SOURCE
...............
.
....
..
...
....
...
........ 10
6 /SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1
7 /
NORMAL
CALCULATIONS
.......
............
...... .. 88
8 I FUNCTION CALCULATIONS .... ....
...
.
.......
....
10
7
9
/STANDARD
DEVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . .
12
1
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