Casio fx-8200 AU User manual

EN
User’s Guide
fx-8200 AU
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 .....................................................................................9
Getting Started ......................................................................................10
Attaching and Removing the Front Cover ....................................................10
Turning Power On and Off ............................................................................11
HOME Screen ..............................................................................................12
Adjusting Display Contrast ...........................................................................12
Key Markings ............................................................................................... 12
Indicators ......................................................................................................13
Using Menus ................................................................................................ 13
Calculator Apps and Menus ................................................. 16
Calculator Apps .....................................................................................16
Selecting a Calculator App ...........................................................................16
Installed Calculator App List .........................................................................16
Using the SETTINGS Menu ..................................................................17
Changing Calculator Settings .......................................................................18
Items and Available Setting Options ............................................................ 19
Using the CATALOG Menu ...................................................................23
Using the TOOLS Menu ........................................................................23
Inputting Expressions and Values .......................................25
Basic Input Rules ..................................................................................25
Inputting an Expression Using Natural Textbook Format (MathI/MathO or
MathI/DecimalO Only) ...........................................................................26
Undo Operations ..........................................................................................27
Using Values and Expressions as Arguments ............................................. 27
Overwrite Input Mode (LineI/LineO or LineI/DecimalO Only) ................27
Basic Calculations .................................................................28
Arithmetic Calculations ......................................................................... 28
Fraction Calculations ............................................................................ 28
Powers, Power Roots, and Reciprocals ................................................30
1

Pi, Natural Logarithm Base e ................................................................ 32
Pi ..................................................................................................................32
Natural Logarithm Base e .............................................................................32
Calculation History and Replay .............................................................32
Calculation History ....................................................................................... 32
Replay ..........................................................................................................33
Using Memory Functions ...................................................................... 33
Answer Memory (Ans) / Previous Answer Memory (PreAns) ...................... 33
Variables (A, B, C, D, E, F, x, y, z) ................................................................ 35
Clearing the Contents of All Memories .........................................................37
Changing Calculation Result Format .................................. 38
Using the FORMAT Menu .....................................................................38
FORMAT Menu List ......................................................................................38
Conversion Sample Operation .....................................................................39
Standard and Decimal Conversion ....................................................... 39
Prime Factorization ...............................................................................40
Recurring Decimal Conversion (Recurring Decimal Calculations) ........41
Converting a Calculation Result to a Recurring Decimal Value ................... 41
Inputting a Recurring Decimal ......................................................................41
Recurring Decimal Calculation Example ......................................................42
Rectangular and Polar Coordinate Conversion .................................... 43
Improper Fraction and Mixed Fraction Conversion ...............................43
Engineering Notation ............................................................................ 43
Sexagesimal Conversion (Degree, Minute, Second Calculations) ....... 45
Converting a Decimal Value Calculation Result to a Sexagesimal Value .... 45
Inputting and Calculating with a Sexagesimal Value ....................................45
Advanced Calculations .........................................................46
Function Analysis ..................................................................................46
Summation(Σ) .............................................................................................. 46
Product(Π) ....................................................................................................47
Logarithm(logab), Logarithm(log) .................................................................48
Natural Logarithm .........................................................................................49
Probability ............................................................................................. 49
% ..................................................................................................................49
Factorial(!) ....................................................................................................49
Permutation(P), Combination(C) ..................................................................50
Random Number ..........................................................................................50
Random Integer ........................................................................................... 50
Numeric Calculations ............................................................................51
GCD, LCM ....................................................................................................51
Absolute Value ............................................................................................. 51
Recurring Decimal ........................................................................................51
Round Off .....................................................................................................52
Angle Unit, Polar/Rectangular Coordinate, Sexagesimal ..................... 52
Degrees, Radians, Gradians ........................................................................52
2

Rect to Polar, Polar to Rect ..........................................................................53
Degrees, Minutes, Seconds .........................................................................53
Hyperbolic, Trigonometric ..................................................................... 54
Hyperbolic Functions ....................................................................................54
Trigonometric Functions ...............................................................................54
Others ................................................................................................... 55
Registering and Using Defining Equations for f(x) and g(x)
..................................................................................................56
Registering and Using Defining Equations for f(x) and g(x) .................. 56
Registering a Defining Equation ...................................................................56
Performing a Calculation by Assigning a Value to the Registered Defining
Equation .......................................................................................................57
Registering a Composite Function ...............................................................57
Data Retention ............................................................................................. 58
Using Verify ............................................................................59
Verify Overview .....................................................................................59
Enabling and Disabling Verify ...................................................................... 59
Using Verify with the Calculate App ......................................................60
Verify Sample Operation .............................................................................. 60
Verifiable Expressions ..................................................................................61
Performing a Sequential Verification Operation on the Right Side of an
Expression ................................................................................................... 61
Using QR Code Functions ....................................................63
Using QR Code Functions .................................................................... 63
Displaying a QR Code ..................................................................................63
If You Experience Difficulty Scanning a QR Code ........................................64
Using Calculator Apps ..........................................................65
Statistical Calculations ..........................................................................65
General Procedure for Performing a Statistical Calculation .........................65
Inputting Data with Statistics Editor ..............................................................66
Displaying Statistical Calculation Results .................................................... 69
Using Statistical Calculation Screen ............................................................ 73
Statistical Calculation Formula .....................................................................78
Distribution Calculations ....................................................................... 81
General Procedure for Performing a Distribution Calculation ...................... 81
Parameter List ..............................................................................................83
List Screen ................................................................................................... 84
Editing the List Screen Contents ..................................................................85
Calculation Example .................................................................................... 85
Creating a Number Table ......................................................................86
General Procedure for Creating a Number Table .........................................86
Maximum Number of Rows in a Number Table According to Table Type .... 87
Defining Equation Registration .....................................................................88
Editing Number Table Screen Data ..............................................................88
3

f(x) and g(x) Update Timing .......................................................................... 89
Using Verify with the Table App ....................................................................89
Data Retention ............................................................................................. 91
Complex Number Calculations ............................................................. 92
Inputting Complex Numbers .........................................................................92
Complex App Calculation Examples ............................................................92
Using Verify with the Complex App ..............................................................94
Vector Calculations ............................................................................... 95
General Procedure for Performing a Vector Calculation ..............................95
Vector Variable List Screen ..........................................................................97
Vector Answer Memory (VctAns) ................................................................. 99
Vector Calculation Examples ..................................................................... 100
Technical Information ......................................................... 102
Errors .................................................................................................. 102
Displaying the Location of an Error ............................................................102
Error Messages ..........................................................................................102
Before Assuming Malfunction of the Calculator... ............................... 105
Replacing the Battery ..........................................................................105
Calculation Priority Sequence .............................................................107
Calculation Ranges, Number of Digits, and Precision ........................ 108
Calculation Range and Precision ...............................................................108
Function Calculation Input Ranges and Precision ..................................... 108
Specifications ......................................................................................110
Frequently Asked Questions ..............................................112
Frequently Asked Questions ...............................................................112
4

Before Using the Calculator
Read This First
About This Manual
• In no event shall CASIO Computer Co., Ltd. be liable to anyone for
special, collateral, incidental, or consequential damages in connection
with or arising out of the purchase or use of this product and items that
come with it. Moreover, CASIO Computer Co., Ltd. shall not be liable for
any claim of any kind whatsoever by any other party arising out of the
use of this product and the items that come with it.
• The contents of this manual are subject to change without notice.
• The displays and illustrations (such as key markings) shown in this
manual are for illustrative purposes only, and may differ somewhat from
the actual items they represent.
• QR Code is a registered trademark of DENSO WAVE INCORPORATED
in Japan and in other countries.
• Company and product names used in this manual may be registered
trademarks or trademarks of their respective owners.
Key Operations
The example below shows how key operations are represented in this
manual.
Example 1:
Keys should be pressed in the sequence shown above (left to right).
Example 2: (π)*
The above indicates you should press and then , which will input
a π symbol. All multiple-key input operations are indicated like this. Key
cap markings are shown, followed by the input character or command in
parentheses.
5

* Refer to "Key Markings" (page 12) for more information about the key
symbols used in this example.
Example 3: , , , , ,
• Individual cursor keys indicated by (1) are represented as , , ,
.
• Individual page scroll keys indicated by (2) are represented as , .
Menu Operations
Some operations in this manual use a simplified form of menu operations,
as shown in the examples below.
Example 1
– [Other] > [π]
or
Press , and then select [Other] > [π].
Actual Operation 1
1. Press .
2. Use and to select [Other], and then press .
3. Use and to select [π], and then press .
Example 2
- Calculate
or
6

Press , select the Calculate app icon, and then press .
Actual Operation 2
1. Press .
2. Use the cursor keys ( , , , ) to select the Calculate app icon,
and then press .
Key and Key
The key and key perform the same operation. In this manual, is
used for selecting or applying a setting, while is used for executing a
calculation. Note, however, that it makes no difference whether you press
or for operations where either or is shown.
Examples
If you are not instructed to use a specific calculator app or to configure
particular settings for an example operation, the app and settings below
are assumed.
Calculator app: Calculate
Settings: Initial default calculator settings
For information about returning the calculator to its initial default settings,
see "Initializing the Calculator" (page 7).
Initializing the Calculator
Important!
• The procedure below initializes all calculator settings, except for Contrast and Auto
Power Off. Also clears all data stored in calculator memory.
1. Press to display the HOME screen.
2. Use the cursor keys ( , , , ) to select a calculator app icon,
and then press .
3. Press , and then select [Reset] > [Initialize All] > [Yes].
•This displays the HOME screen.
Calculator "Get Started" Screen
While the HOME screen is displayed, pressing the key will display the
"Get Started" screen, which includes the information below.
7

• QR Code for accessing the "Get Started" webpage of the Worldwide
Education Service (https://wes.casio.com/calc/cw/)
The Get Started webpage gives you access to the User’s Guide and
other related information to help you get started with your calculator.
• Calculator ID number (24-character string)
Press to return to the HOME screen.
Note
• You can also display the Get Started screen, by selecting it from the SETTINGS menu.
See "Using the SETTINGS Menu" (page 17).
Precautions
Safety Precautions
Thank you for purchasing this CASIO product.
Be sure to read the "Safety Precautions" before using this product to
ensure that you use it correctly. Be sure to keep all user documentation
handy for future reference.
Warning
Indicates something that creates the risk of death or serious
personal injury.
Display Screen
Do not press the LCD or subject it to strong impact.
Doing so can cause the LCD glass to crack, creating the risk of
personal injury.
Should the LCD become cracked, never touch any of the
liquid inside.
LCD liquid getting on the skin creates the risk of skin irritation.
Should LCD liquid get into your mouth, immediately rinse your mouth
out and contact your physician.
Should LCD liquid get in your eyes or on your skin, rinse with clean
water and then contact your physician.
8

Battery Precautions
Should fluid leaking from a battery get on your skin or
clothing, immediately rinse it off with clean water.
Battery fluid getting into the eyes creates the risk of eyesight loss, etc.
Rinse the eyes and then immediately contact a physician.
Caution
Indicates something that creates the risk of minor personal injury
or physical damage.
Observe the precautions below. Failure to do so can cause a
battery to rupture, creating the risk of fire, personal injury, and
soiling of nearby objects by leaking fluid.
• Do not try to take a battery apart and never allow a battery to
become shorted.
• Do not charge a non-rechargeable battery.
• Do not expose a battery to heat or throw it into fire.
• Use only the specified type of battery.
• Load a battery with its poles (plus (+) and minus (–)) facing
correctly.
• Replace the battery as soon as possible after it goes dead.
Battery Precautions
Observe the precautions below. Failure to do so can cause
the battery to explode or leak flammable liquid or gas.
• Use only the type of battery that is specified for this product.
• Do not burn a battery or dispose of it in an incinerator, or by
mechanical crushing or cutting.
• Do not subject a battery to excessively high or low temperatures
during use, storage, or transport.
• Do not subject a battery to excessively low barometric pressure
during use, storage, or transport.
Handling Precautions
• Even if the calculator is operating normally, replace the battery at least
once every two years (R03).
9

• You will be charged for malfunction or damage due to battery leakage,
which is not covered by the warranty.
• The battery that comes with the calculator discharges slightly during
shipment and storage. Because of this, it may require replacement
sooner than the normal expected battery life.
• 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
Attaching and Removing the Front Cover
To remove the front cover
Before using the calculator, remove the front cover (①) and attach it to the
back (②).
10

To attach the front cover
When you are not using the calculator, remove the front cover (①) and
attach it to the front (②).
Important!
•Always attach the front cover to the calculator whenever you are not using it.
Otherwise, accidental operation of the key can cause the power to turn on and
run down the battery.
Turning Power On and Off
Press to turn on the calculator.
Press (OFF) to turn off the calculator.
Note
• To turn on power, long-press . To avoid turning on power accidentally, the top of
key is slightly lower than the other keys.
• If the screen shown below appears right after you turn on power, it means that
remaining battery power is low.
11

If this screen appears, replace the battery as soon as possible. For details about
battery replacement, see "Replacing the Battery" (page 105).
• The calculator also will turn off automatically after approximately 10 minutes or 60
minutes of non-use. Press the key to turn the calculator back on.
HOME Screen
Pressing displays the HOME screen. The HOME screen shows a list of
installed calculator apps.
HOME Screen Calculate App Screen
For information about installed calculator apps, see "Installed Calculator
App List" (page 16).
Adjusting Display Contrast
1. Press , select a calculator app icon, and then press .
2. Press , and then select [System Settings] > [Contrast].
3. Use and to adjust display contrast.
4. After the setting is the way you want, press .
Important!
• If adjusting display contrast does not improve display readability, it probably means
that battery power is low. Replace the battery.
Key Markings
Pressing the key followed by a second key performs the alternate
function of the second key. The alternate function is indicated by the text
printed above the key, on the left.
(1) Keycap function:
12

(2) Alternate function: (π)
Indicators
Indicators
The table below describes indicators that appear at the top of the screen.
This indicator: Means this:
The keypad has been shifted by pressing the
key. The keypad will unshift and this indicator will
disappear when you press a key.
MathI/MathO or MathI/DecimalO is selected for
Input/Output on the SETTINGS menu.
/ / Current setting of Angle Unit ( : Degree, :
Radian, or : Gradian) on the SETTINGS menu.
FIX A fixed number of decimal places is in effect.
SCI A fixed number of significant digits is in effect.
i/∠Current setting of Complex Result (i : a+bi or ∠:
r∠θ) on the SETTINGS menu.
Verify is enabled (by selecting "Verify ON" on the
TOOLS menu).
/
There is previous ( ) or following ( ) calculation
history for the currently displayed calculation
result.
Using Menus
Many of the operations of your calculator are performed using menu
screens. The example below shows operations starting from the menu
screen that appears when you press .
13

Selecting a Menu Item
To select a menu item, use the cursor keys ( , , , ) to highlight
it and then press . Note that and are used only when there are
multiple menu item columns.
Navigating Between Menu Hierarchies
The " " indicator to the right of a menu item means that there are lower
hierarchy levels under that item. Selecting the menu item and pressing
or navigates the next lower level of the hierarchy. To return to the next
upper level of the hierarchy, press .
Note
• If you are in a lower level of the hierarchy of a one-column menu, you can press in
addition to to return to the next higher level.
Selecting a Menu Item with a Radio Button ( / )
When the display shows a list of multiple options, each option will have a
radio button ( or ) to its left. indicates the currently selected option.
To configure the setting of a radio button menu item
1. Highlight the applicable menu item and then press .
• What happens next depends on the type of menu item you selected.
- If there are no more settings to configure for the menu item you
selected, the radio button next to it will change to .
14

- The menu item you selected has more settings to configure, a
screen for selecting the menu item setting will appear. In this case,
proceed to step 2.
2. On the setting screen, highlight the setting you want and then press .
• This returns to the menu item screen in step 1, with the radio button
next to the menu item you previously selected changed to .
Scrolling Between Screens
A scroll bar will appear along the right side of the display when there are
so many menu items that they do not fit on one screen.
• Use and to scroll between screens.
• Use and to scroll line-by-line.
To close the menu and return to the screen displayed before
the menu
Press .
Note
• You can close a menu displayed by pressing , , , , , or by
pressing . If the displayed menu is one that appears immediately after launching
a particular calculator app or if it is an app-specific menu, you cannot close it by
pressing . In that case, you must press to close the menu.
15

Calculator Apps and Menus
Calculator Apps
Selecting a Calculator App
Select a calculator app that is suitable for the type of calculation you want
to perform.
1. Press to display the HOME screen.
• For information about each calculator app, see the "Installed
Calculator App List" (page 16).
2. Use the cursor keys ( , , , ) to select the calculator app icon
you want.
3. Press to display the initial screen of the calculator app whose icon
you selected.
Installed Calculator App List
Icon Description
(Calculate)*
General calculations
(Statistics)
Statistical and regression
calculations
(Distribution)
Distribution calculations
16

(Table)*
Generates a number table based on
one or two functions
(Complex)*
Complex number calculations
(Vector)
Vector calculations
Note
• Verify, which is a function that determines the truth of an input equation or solution, is
available with the calculator apps marked with an asterisk (*) in the above table. For
information about Verify, see "Using Verify" (page 59).
Using the SETTINGS Menu
To display the SETTINGS menu, press while using a calculator app.
The SETTINGS menu includes the menu items below.
Calc Settings
Includes menu items for configuring calculation
settings, such as the display format for
calculation results.
System Settings Includes menu items for configuring calculator
operation settings, such as contrast adjustment.
Reset Includes menu items for performing various types
of reset operations.
17

Get Started
Displays the Get Started screen. For more
information, see "Calculator "Get Started"
Screen" (page 7).
Note
• Pressing while the HOME screen is displayed will display the Get Started screen
instead of the SETTINGS menu.
• Depending on the screen displayed by the calculator app, pressing may not
display the SETTINGS menu.
Changing Calculator Settings
1. Press , select a calculator app icon, and then press .
2. Press to display the SETTINGS menu.
3. Use and to select Calc Settings or System Settings, and then
press .
• This displays a list of setting items included on the selected menu.
The screen here shows an example of what appears when [Calc
Settings] is selected.
• See "Items and Available Setting Options" (page 19) for the
setting items included for [Calc Settings] and [System Settings].
4. Use and to highlight the item whose setting you want to change,
and then press .
•This displays a list of setting options for the item you selected.
The screen here shows an example of what appears when [Input/
Output] is selected.
5. Use and to highlight the option you want, and then press .
6. After the setting is the way you want, press .
18

Items and Available Setting Options
"◆" indicates the initial default setting.
Calc Settings > Input/Output
Specifies the format to be used by the calculator for expression input and
calculation result output.
MathI/MathO◆
Input: Natural Textbook; Output:
Format that includes a fraction, √ ,
and/or π*1
MathI/DecimalO Input: Natural Textbook; Output:
Converted to decimal value
LineI/LineO Input: Linear*2; Output: Decimal or
fraction
LineI/DecimalO Input: Linear*2; Output: Converted
to decimal value
*1 Decimal output is applied when these formats cannot be output for
some reason.
*2 All calculations, including fractions and functions are input in a single
line. Same output format as that for models without Natural Textbook
Display (S-V.P.A.M. models, etc.)
Input/output format display examples:
MathI/MathO
(initial default setting)
MathI/DecimalO
(Number Format: Norm 1)
(Number Format: Norm 2)
LineI/LineO
19