Citizen sr 281n инструкция на русском

• 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
  -E1-
  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.
  -E2-
  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 " ).
  -E3-
  Date: 2009/3/30    Trimmed Size : 140 x 75 mm      SCALE 1 : 1
  File name : CBM_SR-281N_IB_English_black_v09330.doc

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