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Dear customer,
ae
rad
Thank you very much for purchasing our electronic cal-
culator.
To fully utihze 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 longevity, do not touch the inside of the cal-'
culator,
avoid hard knocks
and unduly
strong
key
pressing. Extreme cold (below 32°F or O°C), heat
(above 104°F or 40°C) and humidity may also affect
the functions of the calculator. Never use volatile fluid
such as lacquer thinner, benzine, etc. when cleaning
the unit. For servicing contact your retailer or nearby
dealer.
Before starting calculation, be sure to press the (0") key
and to confirm that ''0.'' is shown on the display.
* Special care should be taken not to damage the unit
by bending or dropping. For example, do not carry
win your hip pocket.
INDEX
1/GENERAL GUIDE ...0...... 2... eecccccceeeseee ene ee 3
2/ORDER OF OPERATIONS AND LEVELS........ 11
3/CALCULATION RANGE AND SCIENTIFIC
NOTATION xii oes terra citrate naccenagncseaes. 12
4 / CORRECTIONS ...0 0...
cece ccc sceneneeeceeceeses 13
5 /OVERFLOW OR ERROR CHECK.................. 14
6 /POWER SOURCE ............c.cccessenesseseseeeeenene 15
TISPECIFICATIONS ...........
ccc ccccceeeeeeeececeeeeees 15
8/NORMAL CALCULATIONS ...........cc0ccceeeeeee 37
9/FUNCTION CALCULATIONS..........000.....0000. 47
10/STATISTICAL CALCULATIONS................... 55
1/GENERAL GUIDE
1-1 The keys
in order to keep your calculator as compact
as possi-
ble, each key has more than one use. You can change
the function of a key by pressing certain other keys
before it, or by setting the calculator in a certain mode.
The following pages will give you a more detailed ex-
planation of the use and functions of each key.
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(x) ON key
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Before starting calculation, be sure to press (on) hd to
confirm that "'O."' is shown on the display.
The (04) key also overrides the auto ROME sort function.
ur) Shift key
Some of the keys have brown lettering above or be-
low them. To use a function that is brown lettering,
press (#1). (S$) will appear on the display. Then press the
key that the brown lettering identifies. (S) will disap-
pear from the display.
(woe) Mode key
To put the calculator into a desired operating mode,
or to select a aperitic angular unit, press [vod first, then
(6), (2),... or
fuooe](0} - COMP mode. Carry out ordinary arithmetic
and functional calculations.
feo} (2) ~ LR is displayed. Calculate regression analysis.
foo] (3} - SD is displayed. Calculate standard deviation.
foor}(4) — DEG is displayed. Use degrees as the unit of
angle measurement.
(woe) (5 - RAD is displayed. Use radians as the unit of
angle measurement.
wc) - GRA is displayed. Use grads as the unit of
angle measurement.
foot) (7) — Press any number from 0 to 7 to indicate how
many decimal places you want displayed (FIX
is displayed).
foo) 8] - Press any number from 1 (1 digit) to 8 (8 di-
gits) to indicate how many significant digits
you want displayed (SCI is displayed).
(woos) 9} ~ Releases instructions entered in
and
.
(uooe) (8).
General keys
(0)-{(8), ©) Data entry keys
To enter numerical
values into the calculator,
press
these keys in their logical sequence.
3. &. &3. &. GB Basic calculation keys
For addition, subtraction, multiplication, division and
to display answers, press these keys in their logical se-
quence.
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