Citizen SR-281 Handleiding
Citizen
Rekenmachine
SR-281
Lees hieronder de 📖 handleiding in het Nederlandse voor Citizen SR-281 (33 pagina's) in de categorie Rekenmachine. Deze handleiding was nuttig voor 37 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
Pagina 1/33
-E1-
General Guide.................................................................................... 2
Turning on or off .............................................................................. 2
Battery replacement.........................................................................2
Auto power-off function.................................................................... 2
Reset operation ............................................................................... 2
Contrast adjustment......................................................................... 3
Display readout................................................................................ 3
Before Starting Calculation .............................................................. 4
Using " MODE " keys....................................................................... 4
Using " 2nd " Keys ...........................................................................4
Corrections ...................................................................................... 4
Undo function ..................................................................................4
Replay function................................................................................ 5
Memory calculation.......................................................................... 5
Order of operations.......................................................................... 6
Accuracy and Capacity ....................................................................7
Error conditions ............................................................................... 9
Basic Calculations ............................................................................ 9
Arithmetic calculation..................................................................... 10
Parentheses calculations............................................................... 10
Percentage calculation .................................................................. 11
Display notations ........................................................................... 11
Scientific Functional Calculations................................................. 13
Logarithms and Antilogarithms ...................................................... 13
Fraction calculation .......................................................................13
Angle unit conversions ..................................................................14
Sexagesimal ↔ Decimal transformation........................................ 15
Trigonometric / Inverse-Tri. functions ............................................ 15
Hyperbolic / Inverse-Hyp. functions............................................... 16
Coordinates transformation ........................................................... 16
Probability......................................................................................17
Other functions ( 1/x, , 3,X, x 2, x 3, x y , INT, FRAC )........ 18
Unit Conversion ............................................................................. 19
Physics constants ..........................................................................19
Base–n calculations........................................................................ 24
Bases conversions ........................................................................ 25
Block Function ...............................................................................25
Basic arithmetic operations for bases............................................ 27
Negative expressions ....................................................................27
Logical operation........................................................................... 27
Statistical Calculations ................................................................... 27
Entering data ................................................................................. 28
SR-281 / SR-282
Scientific Calculator
-E2-
Displaying results ..........................................................................28
Deleting data .................................................................................31
Editing data.................................................................................... 32
FULL message............................................................................... 32
Complex Calculations..................................................................... 33
General Guide
Turning on or off
To turn the calculator on, press [ ON/C ] ; To turn the calculator off,
press [ 2nd ] [ OFF ].
Battery replacement
SR-281 is powered by two alkaline batteries (GP76A or LR44).
SR-282 is powered two AA-size ( UM-3 ) batteries. If the display
becomes dim and difficult to read, the batteries should be replaced as
soon as possible.
To replace batteries :
1) Slide the battery compartment cover in the direction indicated by
the arrow and remove it.
2) Remove the old batteries and install new ones with polarity in
correct directions, then replace the battery compartment cover
and press [ ON/C ].
Auto power-off function
This calculator automatically turns it off when not operated for
approximately 6~9 minutes. It can be reactivated by pressing [ ON/C ]
key and the display, memory, settings are retained.
Reset operation
If the calculator is on but you get unexpected results, press [ MODE ]
[ 4 ] ( RESET ) in sequence. A message appears on the display to
confirm whether you want to reset the calculator and clear memory
contents.
RESET : N Y
Move the cursor to " Y " by [ ], then press [ ] to clear all
variables, pending operations, statistical data, answers, all previous
entries, and memory; To cancel the reset operation without clearing
the calculator, please choose " N ".
If the calculator is lock and further key operations becomes impossible,
please press [ 0 ] [ CE ] at the same time to release the condition. It will
return all settings to default settings.
-E3-
Contrast adjustment
Pressing the [ – ] or [ + ] following [ MODE ] key can make the contrast
of the screen lighter or darker. Holding either key down will make the
display become respectively lighter or darker.
Display readout
The display comprises two lines and indicators. The upper line is a dot
display up to 128 characters. The lower line is capable of displaying a
result of up to 12 digits, as well as 2-digits positive or negative
exponent.
When formulas are input and executed the calculation by [ ],
they are displayed on the upper line, and then results are shown on
the lower line.
The following indictors appear on the display to indicate you the
current status of the calculator.
Indicator Meaning
M Running memory
– Result is negative
E Error
STO Storing variable mode is active
RCL Recalling variable mode is active
2nd 2nd set of function keys are active
HYP Hyperbolic-trig function will be calculated
ENG Engineering symbol notation
CPLX Complex number mode is active
CONST Display physics constants
DEGRAD Angle mode : DEGrees, GRADs, or RADs
BIN Binary base
OCT Octal base
HEX Hexadecimal base
( ) Open parentheses
TAB Number of decimal places displayed is fixed
STAT Statistics mode is active
REG Regression mode is active
EDIT Statistics data is being edited
CPK CPK : Process capability
CP : Precision capability
USL Set upper specification limit
LSL Setting lower specification limit
i Imaginary part
Allow to use undo function
Product specificaties
| Merk: | Citizen |
| Categorie: | Rekenmachine |
| Model: | SR-281 |
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