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(1) Power switch
Mave
the switch
to the right to activate the calculator and "ON"
is displayed, Even
when
power
is off, the contents held in independent
memory
and constant memory
registers, and the programs are not !ost.
{2) Disptay
Units of angle
Mantissa
Exponent
The
disptay
shows
input
data,
intermediate
resuits
and
resutts
af operation,
The
mantissa
section
displays
up
to
10 digits
{9 for negative
numbers}.
The exponent
section displays up ta +99.
The fraction and angle in the sexagesimal scale are displayed as follows:
456 3 isdisplayed
.....,
456412423.
12°34°56.7"' is displayed... . |
12934°756.7
"€" {terror check, see page 10) may be displayed in the position of the mantissa's /east
significant digit. "OEG", "RAD" or "GRA"
(angular unit), "INV" (when the
@
key
has been pressed), "M''
(when data is stured
in independent
memory),
K"
(during
calculation
with
constants), 'SD'
(during calculation
of standard
deviation), "LR
(during
catculation
of
regression
analysis},
and/or
'""fdx
(during
execution
of
integral}, as well as ""LRN''
and "ENT''
will be displayed
to indicate
the operating
mode,
Auto power-off
If the calcwator
is left with
tha power
switch
at the "ON
position
(except
white
programmed
calculation),
the auto
power-off
function
automatically
turns off the
power in approximately 6 minutes, thereby saving battery life, Power is resumed either
by pressing the GJ key or by re-operating the ON-OFF switch,
(Even when
power is off, the contents of memories and written programs as well as the
angutar unit and operating mode are not fost.)
(3) fhe tnverse key {symbotized by & }
Activates the functions printed in brown on the keyboard,
When the [ key is pressed, "INV*' appears on the display and the subsequent pressing
of & makes "INV" disappear,
,
(4) @g Mode key (symbolized by m@)
9
To put the calculator into the desired operating mode or select a specific angular unit,
Press
first, then,@,.......
or),
:
Manual and programmed catcutations can be executed,
°
©)
0
:
"LRN
is displayed. Programs can be written,
@
:
" fdx" is displayed, Integral can be carried out.
"LR"
is displayed, Calculation of regression analysis can be executed,
ae ae
&
eae i cain
a eas esos To, =
.
@)
°
(@] :
"DEG"
is displayed,
indicating that degrees' is selected as the unit of
angle,
|
8)
"RAD"
is displayed, indicating that "radians" is selected as the unit of
angle.
:
*
3)
"GRA"
is displayed, indicating that "gradient" is selected as the unit of
i
angle.
(Note: 90 degrees = 1/2 radians = 100 gradients)
q
>
Fix' assignment (assignment for the number of fractional digits),
q
:
Scientific' assignment {assignment for the number of significant digits}.
Specify
the number
of significant
digits after
pressing
#8) and ©).
1
(Example:
@)
"scientific" assignment.
4To clear programs, press this key, foltowing the fl key. (@ denotes this "program
clear' sequence, }
4 Once power
is off, the "fix
and 'scientific' assignments will be released but the
operating
mode
("LAN",
" fax, "LR"
or "SD") and the angular unit ("DEG",
"RAD" or "GRA") will be kept,
(S) &) — &, ©) Numeral and decimal point keys
nters numerals. For decimal places, use the (Jkey in its logical sequence,
Varying
functions
will
be designated
when
you
press
l) and
a numeral
key, as
summarized below,
' fy GD :
Cutting off internal data
The internal data {held in the Y-register) will be cut off so as to be equal
to the displayed data.
i i
A random number between 0.000 and 0.999 will be generated,
* Use
following
sequences
in calculation
of standard
deviation
and
in regression
analysis.
For
more
details,
refer
to
the
chapter
6
"STATISTICAL
CALCU-
LATIONS",
:
:
eS
:
Calculation of ¥ (average of x)
$ @@
:
Calculation of x0, (poputation standard deviation of x)
b ED:
Calculation of yn (population standard deviation of y)
& @&)@
:
Calculation of yOn.1 (sample standard deviation of y}
ew
:
Calculation of A (constant terms in regression equations)
» @&)
-
Calculation of 8 (regression coefficients}
# JP
:
Calculation of r (correlation coetficients)
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