Калькулятор CITIZEN SR-281N. Инструкция на русском языке

Contents
General Guide.............................................................................................2
Turning on or off .......................................................................................2
Battery replacement .................................................................................2
Auto power-off function.............................................................................2
Reset operation ........................................................................................2
Contrast adjustment .................................................................................2
Display readout.........................................................................................3
Before Starting Calculation........................................................................3
Using " MODE " keys................................................................................3
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................................................................................9
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
3
y
2
Other functions ( 1/x,   ,  3  ,  X , x  , x  , x   , INT, FRAC )................18
Unit Conversion ......................................................................................19
Physics constants...................................................................................19
Base–n calculations.................................................................................24
Bases conversions..................................................................................25
Block Function........................................................................................25
Basic arithmetic operations for bases .....................................................26
Negative expressions .............................................................................26
Logical operation ....................................................................................27
Statistical Calculations ............................................................................27
Entering data ..........................................................................................27
Displaying results....................................................................................28
Deleting data ..........................................................................................31
Editing data ............................................................................................31
FULL message .......................................................................................32
Complex Calculations..............................................................................32
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Date: 2009/3/30    Trimmed Size : 140 x 75 mm      SCALE 1 : 1
File name : CBM_SR-281N_IB_English_black_v09330.doc

General Guide
Turning on or off
To turn the calculator on, press [ ON/C ] ; To turn the calculator off,
press [ 2nd ] [ OFF ].
Battery replacement
The calculator is powered by two alkaline batteries (G13 or LR44).
When the display dims, replace the batteries. Be careful not to be
injured when you replace the battery.
1. Unscrew the screws on the back of the calculator.
2. Insert a flat bladed screwdriver into the slot between the upper and
lower case then carefully twist it to separate the case.
3. Remove both batteries and dispose of them properly. Never allow
children to play with batteries.
4. Wipe off the new batteries with a dry cloth to maintain good contact.
5. Insert the two new batteries with their flat sides (plus terminals) up.
6. Align the upper and lower cases then snap them to close together.
7. Tighten the screws.
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  use  a  pointed  object to press the reset hole to release the
condition. It will return all settings to default settings.
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.
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Date: 2009/3/30    Trimmed Size : 140 x 75 mm      SCALE 1 : 1
File name : CBM_SR-281N_IB_English_black_v09330.doc

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
Before Starting Calculation
Using " MODE " keys
Press [ MODE ] to display mode menus when specifying an operating
mode  (  "  1  MAIN  ",  "  2  STAT ", " 3 CPLX ", " 4 RESET " ) or the
engineering symbol notation ( " 5 ENG " ).
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Date: 2009/3/30    Trimmed Size : 140 x 75 mm      SCALE 1 : 1
File name : CBM_SR-281N_IB_English_black_v09330.doc