Casio Fx-82AU PLUS II User Manual

• Use only the type of battery specified for this calculator in this
manual.
Handling Precautions
• Even if the calculator is operating normally, replace the battery
according to the schedule shown below. Continued use after the
specified number of years may result in abnormal operation. Replace
the battery immediately after display figures become dim.
fx-82AU PLUS II: Every 2 years
• A dead battery can leak, causing damage to and malfunction of the
calculator. Never leave a dead battery in the calculator.
• The battery that comes with the calculator is for factory testing,
and it discharges slightly during shipment and storage. Because of
these reasons, its battery life may be shorter than normal.
• Do not use a nickel-based primary battery with this product.
Incompatibility between such batteries and product specifications can
result in shorter battery life and product malfunction.
• Avoid use and storage of the calculator in areas subjected to
temperature extremes, and large amounts of humidity and dust.
• Do not subject the calculator to excessive impact, pressure, or bending.
• Never try to take the calculator apart.
• Use a soft, dry cloth to clean the exterior of the calculator.
• Whenever discarding the calculator or batteries, be sure to do so in
accordance with the laws and regulations in your particular area.
Getting Started
Removing the Hard Case
Before using the calculator, slide its hard case downwards to remove it,
and then affix the hard case to the back of the calculator as shown in the
illustration below.
4

Casio Fx-82AU PLUS II Specifications

General

Model	Fx-82AU PLUS II
Type	Scientific Calculator
Power Source	Battery
Number of Functions	252
Weight	100 g
Display Digits	10 + 2
Memory	9
Compliance	Australian Curriculum

Summary

Before Using the Calculator

Initializing the Calculator

Procedure to reset the calculator to its default settings, clearing all stored data.

Precautions

Essential safety and handling guidelines for proper and safe operation of the calculator.

Calculation Modes and Calculator Setup

Calculation Mode

Configuring Calculator Setup

Adjusting various calculator settings like display format, angle units, and number format.

Initializing Calculator Settings

Procedure to return all calculator settings, including modes, to their initial default values.

Inputting Expressions and Values

Basic Input Rules

Learn fundamental rules for entering calculations, including omission of symbols.

Inputting with Natural Display

How to input and display fractions and functions as they appear in textbooks.

Function Calculations

Basic Functions (π, e, Trig, Hyperbolic)

Exponential, Logarithmic, and Power Functions

Using Calculation Modes

Statistical Calculations (STAT)

Performing various statistical analyses, including data input and calculation of statistics.

Calculating Estimated Values

Using VERIFY (VERIF)

Technical Information

Handling Errors and Malfunctions

Procedures for identifying, clearing, and resolving calculation errors and general calculator issues.

Battery Replacement and Maintenance

Calculation Specifications and Ranges