Casio fx-991CW Bruksanvisning

Casio miniräknare fx-991CW

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User’s Guide

fx-991CW

fx-570CW

https://edu.casio.com

CASIO Worldwide Education Website

https://world.casio.com/manual/calc/

Manuals are available in multi languages at

Table of Contents

Before Using the Calculator

................................................... 5

Read This First ........................................................................................5

About This Manual ......................................................................................... 5

Key Operations .............................................................................................. 5

Menu Operations ............................................................................................6

Key and Key ........................................................................................7

Examples

....................................................................................................... 7

Initializing the Calculator .........................................................................7

Calculator "Get Started" Screen ............................................................. 7

Precautions .............................................................................................8

Safety Precautions .........................................................................................8

Handling Precautions ...................................................................................10

Getting Started ......................................................................................11

Attaching and Removing the Front Cover .................................................... 11

Turning Power On and Off ........................................................................... 12

HOME Screen ..............................................................................................13

Adjusting Display Contrast ...........................................................................13

Key Markings ............................................................................................... 13

Indicators ......................................................................................................14

Using Menus ................................................................................................ 15

Calculator Apps and Menus ................................................. 17

Calculator Apps .....................................................................................17

Selecting a Calculator App ...........................................................................17

Installed Calculator App List .........................................................................17

Using the SETTINGS Menu ..................................................................19

Changing Calculator Settings .......................................................................19

Items and Available Setting Options ............................................................ 20

Using the CATALOG Menu ................................................................... 25

Using the TOOLS Menu ........................................................................25

Inputting Expressions and Values .......................................27

Basic Input Rules ..................................................................................27

Inputting an Expression Using Natural Textbook Format (MathI/MathO or

MathI/DecimalO Only) ...........................................................................28

Undo Operations ..........................................................................................29

Using Values and Expressions as Arguments ............................................. 29

Overwrite Input Mode (LineI/LineO or LineI/DecimalO Only) ................29

Basic Calculations .................................................................30

Arithmetic Calculations ......................................................................... 30

Fraction Calculations ............................................................................ 30

Powers, Power Roots, and Reciprocals ................................................32

Produktspecifikationer

Varumärke:	Casio
Kategori:	miniräknare
Modell:	fx-991CW
Vikt:	95 g
Bredd:	77 mm
Djup:	107 mm
Höjd:	162 mm
Modell:	Vetenskapsfunktion
Batterityp:	LR44
Konvertera vinklar från grader till:	Gradian, Radian
Produktens färg:	Svart
Skärmtyp:	Punktmatris
Kontrolltyp:	Knappar
Formfaktor:	Ficka
Siffror:	12 siffror
Strömkälla:	Batteri
Överdrag:	Ja
Visa tippning:	Nej
Symbolinmatning:	Fraction, Pi, Square root
Slumpgenerator för siffror/heltal:	Ja
Negationstangent:	Ja
Omvandling mellan:	Decimal, Fraction, Percent