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Casio FX-85ES PLUS User Manual

Casio FX-85ES PLUS
65 pages
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EN
fx-95ES PLUS
fx-85ES PLUS
fx-82ES PLUS
fx-350ES PLUS
https://edu.casio.com
User’s Guide
(2nd edition / NATURAL-V.P.A.M.)
CASIO Worldwide Education Website
https://world.casio.com/manual/calc/
Manuals are available in multi languages at

Table of Contents

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Casio FX-85ES PLUS Specifications

General IconGeneral
TypeScientific
Form factorPocket
USB portNo
Operation256
Digits12 digits
Display number of lines- lines
Battery typeLR44
Power sourceBattery/Solar
Auto power offYes
Battery life (max)27300 h
Weight and Dimensions IconWeight and Dimensions
Depth161 mm
Width80 mm
Height12.2 mm
Weight105 g

Summary

Before Using the Calculator

Initializing the Calculator

Details the procedure for resetting the calculator's modes and settings to their original default values.

Precautions

Outlines essential safety and handling guidelines to ensure proper operation and prevent damage.

Calculation Modes and Calculator Setup

Calculation Mode

Explains how to select the appropriate mode (e.g., COMP, STAT, TABLE) for various calculation tasks.

Configuring the Calculator Setup

Guides users on customizing display formats, angle units, number formats, and fraction display preferences.

Inputting Expressions and Values

Basic Calculations

Calculation History and Replay

Using Memory Functions

Utilizing Ans memory, independent memory (M), and variables (A-Y) for storing and recalling calculation values.

Function Calculations

Trigonometric Functions

Performing calculations with sine, cosine, tangent, and their inverse trigonometric functions.

Using Calculation Modes

Statistical Calculations (STAT)

Performing statistical analysis, including data input, single-variable, and regression calculations.

Equation Calculations (EQN) (fx-95ES PLUS only)

Equation Calculations (EQN)

Solving simultaneous linear, quadratic, and cubic equations using the dedicated EQN mode.

Creating a Numerical Table from a Function (TABLE)

Creating a Numerical Table from a Function (TABLE)

Generating numerical tables for functions by inputting f(x) and specifying a range and step increment.

Inequality Calculations (INEQ) (fx-95ES PLUS only)

Inequality Calculations (INEQ)

Solving quadratic and cubic inequalities by inputting coefficients and selecting inequality symbols.

Ratio Calculations (RATIO) (fx-95ES PLUS only)

Ratio Calculations (RATIO)

Determining unknown values in ratio expressions by inputting known values.

Technical Information

Errors

General information about calculator errors, including causes and how to exit error displays.

Displaying the Location of an Error

Methods to pinpoint the exact location of an error within a calculation for correction.

Error Messages

Detailed explanations of common error types, their causes, and recommended actions for resolution.

Before Assuming Malfunction of the Calculator...

Before Assuming Malfunction of the Calculator...

Steps to troubleshoot unexpected calculation results or errors before concluding a device malfunction.

Replacing the Battery

Instructions for safely replacing the calculator's battery and initializing settings afterwards.

Calculation Priority Sequence

Calculation Priority Sequence

The established order of operations and function evaluation that the calculator follows.

Calculation Ranges, Number of Digits, and Precision

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