Citizen SR-281 Manual

Citizen kalkulator SR-281

Læs gratis den danske manual til Citizen SR-281 (33 sider) i kategorien kalkulator. Denne vejledning er vurderet som hjælpsom af 25 personer og har en gennemsnitlig bedømmelse på 3.6 stjerner ud af 13 anmeldelser. Har du et spørgsmål om Citizen SR-281, eller vil du spørge andre brugere om produktet?

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Side 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.

Produkt Specifikationer

Mærke:	Citizen
Kategori:	kalkulator
Model:	SR-281

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