CASIO Worldwide Education Website
CASIO EDUCATIONAL FORUM
Page
Getting Acquainted — Read This First
Chapter 1 Basic Operation
Chapter 2 Manual Calculations
Chapter 3 List Function
Chapter 4 Equation Calculations
Chapter 6 Statistical Graphs and Calculations
Chapter 7 Financial Calculation (TVM)
Chapter 8 Programming
Chapter 9 Spreadsheet
Chapter 10 eActivity
Chapter 12 System Manager
Chapter 13 Data Communications
Chapter 14 Using SD Cards (fx-9860GⅡ SD only)
Appendix
E-CON2Application
Getting Acquainted — Read This First
IAbout this User’s Guide
IContrast Adjustment
Basic Operation
IKey Table
IKey Markings
ISelecting Icons
The following explains the meaning of each icon
Icon
Mode Name
S • SHT
STAT mode
IAbout the Function Menu
IAbout Display Screens
INormal Display
ISpecial Display Formats
IInputting Calculations
IEditing Calculations
IUsing Replay Memory
IMaking Corrections in the Original Calculation
IUsing the Clipboard for Copy and Paste
kCatalog Function
Example To use the Catalog to input the ClrGraph command
4. Using the Math Input/Output Mode
RUN • MAT
kInput Operations in the Math Input/Output Mode
SUsing the MATH Menu
log
b f(x)dx }
SMath Input/Output Mode Input Examples
To input 23 +
To input 1+ x + 1dx
To input 2 ⋅
SWhen the calculation does not fit within the display window
SMath Input/Output Mode Input Restrictions
SUsing Values and Expressions as Arguments
Original
Expression After
Expression
SEditing Calculations in the Math Input/Output Mode
IUsing Undoing and Redoing Operations
IMath Input/Output Mode Calculation Result Display
IHistory Function
IUsing the Clipboard for Copy and Paste in the Math Input/Output Mode
ICalculation Operations in the Math Input/Output Mode
IPerforming Matrix Calculations Using Math Input/Output Mode
IUsing Graph Modes and the EQUA Mode in the Math Input/Output
Mode
and then
uMath Input/Output Mode Input in the GRAPH Mode
Make sure that initial default settings are configured on the View Window
Example 2 In the GRAPH mode, input the function y=∫x
graph it
• Math Input/Output Mode Input and Result Display in the EQUA Mode
5. Option (OPTN) Menu
RUN
CPLX
CONV
HYP
6. Variable Data (VARS) Menu
{V-WIN}/{FACT}/{STAT}/{GRPH}/{DYNA}/{TABL}/{RECR}/{EQUA}/{TVM}/{Str}
SV-WIN— Recalling V-Windowvalues
R-X
R-Y
INPT
•{RESLT}* ... {statistical calculation output values}
RESLT
•{TEST} ... {test calculation results}
Chi
7.Program (PRGM) Menu
COM
CTL
CLR
ISetup Screen Function Key Menus
SMode (calculation/binary, octal, decimal, hexadecimal mode)
Comp
Dec
Hex
Oct
SList File (list file display settings)
FILE
SSub Name (list naming)
SGraph Func (function display during graph drawing and trace)
SDual Screen (dual screen mode status)
9. Using Screen Capture
u To capture a screen image
IGetting the Calculator Back to its Original Mode Settings
kRestart and Reset
kLow Battery Message
Chapter 2 Manual Calculations
IArithmetic Calculations
INumber of Decimal Places, Number of Significant Digits, Normal
Display Range
ICalculation Priority Sequence
ICalculation Result Irrational Number Display
SCalculation Result Display Range with
a'b
d'e
a´'b + d´'e
Calculation Examples
IMultiplication Operations without a Multiplication Sign
IOverflow and Errors
IMemory Capacity
ICalculations Using Variables
IMemory
Example 2 To add 456 to variable A and store the result in variable B
SString Memory
To assign string “ABC” to Str 1 and then output Str 1 to the display
SFunction Memory
STO
RCL
STo store a function
To store the function (A+B) (A–B)as function memory number
STo recall a function
To recall the contents of function memory number
STo recall a function as a variable
kAnswer Function
IPerforming Continuous Calculations
ISetting the Angle Unit
ISetting the Display Format
IFunction Menus
SHyperbolic Calculations (HYP)
sinh
cosh
tanh
SProbability/Distribution Calculations (PROB)
IAngle Units
ITrigonometric and Inverse Trigonometric Functions
ILogarithmic and Exponential Functions
IHyperbolic and Inverse Hyperbolic Functions
IOther Functions
IRandom Number Generation (RAND)
RanList# Examples
SRandom Integer Generation (RanInt#)
1 10 5U
SRandom Number Generation in Accordance with Normal Distribution (RanNorm#)
ICoordinate Conversion
IPermutation and Combination
IGreatest Common Divisor (GCD), Least Common Multiple (LCM)
IDivision Remainder (MOD), Remainder of Exponential Division (MOD
Exp)
IFractions
IEngineering Notation Calculations
ILogical Operators (AND, OR, NOT, XOR)
IQuotient of Integer ÷ Integer
IRemainder of Integer ÷ Integer
ISimplification
ISolve Calculations
ISolving an f(x) Function
IDifferential Calculations
IQuadratic Differential Calculations
IIntegration Calculations
f(x), a, b, tol) abf(x)dx
f(x)dx +.....+ b f(x)dx
I3 Calculations
IMaximum/Minimum Value Calculations
6. Complex Number Calculations
Arg
Conj
ReP
ImP
IArithmetic Operations
IReciprocals, Square Roots, and Squares
IComplex Number Format Using Polar Form
IAbsolute Value and Argument
IConjugate Complex Numbers
a– bi
IExtraction of Real and Imaginary Parts
IPolar and Rectangular Form Transformation [OPTN]-[CPLX]-[rƧ]/[a+bi]
7.Binary, Octal, Decimal, and Hexadecimal Calculations with Integers
ISelecting a Number System
INegative Values and Bitwise Operations
INumber System Transformation
STo convert a displayed value from one number system to another
To convert 2210 (default number system) to its binary or octal value
8. Matrix Calculations
About Matrix Answer Memory (MatAns)
IInputting and Editing Matrices
IMatrix Cell Operations
SRow Calculations
Swap
Rw+
STo swap two rows
To swap rows two and three of the following matrix:
SRow Operations
STo delete a row
STo insert a row
To insert a new row between rows one and two
STo add a row
IModifying Matrices Using Matrix Commands
Example To input the following data as Matrix A:
STo input an identity matrix
To create a 3 σ 3 identity matrix as Matrix A
STo check the dimensions of a matrix
SModifying Matrices Using Matrix Commands
STo assign values to and recall values from an existing matrix
[OPTN]-[MAT]-[Mat]
Example 1 To assign 10 to the cell at row 1, column 2 of the following matrix:
Matrix A = 3
STo fill a matrix with identical values and to combine two matrices into a
IMatrix Calculations
SMatrix Arithmetic Operations
Example 1 To add the following two matrices (Matrix A + Matrix B):
Example 2 To multiply the two matrices in Example 1 (Matrix A σ Matrix B)
SDeterminant
Obtain the determinant for the following matrix:
SRow Echelon Form
To find the row echelon form of the following matrix:
SReduced Row Echelon Form
To find the reduced row echelon form of the following matrix:
−21
SSquaring a Matrix
[x2]
To square the following matrix:
SRaising a Matrix to a Power
To raise the following matrix to the third power:
9.Metric Conversion Calculations
IPerforming a Unit Conversion Calculation
IUnit Conversion Command List
Page
Chapter 3 List Function
IEditing List Values
INaming a List
ISorting List Values
IAccessing the List Data Manipulation Function Menu
To transfer the contents of List 1 (2, 3, 6, 5, 4) to column 1, and the
contents of List 2 (11, 12, 13, 14, 15) to column 2 of Matrix Answer
Memory
STo count the number of data items in a list
[OPTN]-[LIST]-[Dim]
To count the number of values in List 1 (36, 16, 58, 46, 56)
STo create a list by specifying the number of data items
To create five data items (each of which contains 0) in List
STo generate a sequence of numbers[OPTN]-[LIST]-[Seq]
To input the number sequence 12, 62, 112, into a list, using the function
f(x) = X2. Use a starting value of 1, an ending value of 11, and an
increment of
STo find the minimum value in a list
STo calculate the median of data items of specified frequency
[OPTN]-[LIST]-[Med]
To calculate the median of values in List 1 (36, 16, 58, 46, 56), whose
frequency is indicated by List 2 (75, 89, 98, 72, 67)
STo combine lists
STo calculate the cumulative frequency of each data item [OPTN]-[LIST]-[Cuml]
STo calculate the percentage represented by each data item [OPTN]-[LIST]-[%]
To calculate the percentage represented by each data item in List
(2, 3, 6, 5, 4)
STo calculate the differences between neighboring data inside a list
IError Messages
IInputting a List into a Calculation
IRecalling List Contents
IGraphing a Function Using a List
IInputting Scientific Calculations into a List
IPerforming Scientific Function Calculations Using a List
Chapter 4 Equation Calculations
2.High-orderEquations from 2nd to 6th Degree
a μ b μ c μ …
To solve the cubic equation (Angle unit = Rad)
x3 – 2x2 – x + 2
3. Solve Calculations
An object thrown into the air at initial velocity V takes time T to reach
height H. Use the following formula to solve for initial velocity V when
H = 14 (meters), T = 2 (seconds) and gravitational acceleration is G
9.8 (m/s2)
Graphing
IHow to draw a simple graph (1)
IHow to draw a simple graph (2)
IV-Window(View Window) Settings
STo make V-Windowsettings
Rectangular coordinate parameter
Polar coordinate parameter
INIT
TRIG
IV-WindowMemory
ISpecifying the Graph Range
IZoom
ISpecifying the Graph Type
IStoring Graph Functions
STo store a parametric function
To store the following expressions in memory areas Xt3 and Yt3:
x = 3 sinT
y = 3 cosT
STo create a composite function
IEditing and Deleting Functions
ISelecting Functions for Graphing
IGraph Memory
ICopying the Graph to the Sub-screen
IRectangular Coordinate Graph
IDrawing Multiple Graphs on the Same Screen
IUsing Copy and Paste to Graph a Function
IStoring a Function and Generating a Number Table
STo generate a table using a table range
To generate a table as the value of variable x changes from –3to 3, in
increments of
STo generate a table using a list
SGenerating a Table
To generate a table of values for the functions stored in memory areas
Y1 and Y3 of the Table relation list
IEditing Tables
ICopying a Table Column to a List
IDrawing a Graph from a Number Table
ISimultaneously Displaying a Number Table and Graph
IUsing Dynamic Graph
IDrawing a Dynamic Graph Locus
IGraph Calculation DOT Switching Function
IUsing Dynamic Graph Memory
IGenerating a Number Table from a Recursion Formula
IGraphing a Recursion Formula
IGraphing a Phase Plot from Two Numeric Sequences
Page
IWEB Graph (Convergence, Divergence)
IGraphing a Conic Section
IDrawing a Line
Draw a line that is tangent to point (2, 0) on the graph for y = x (x + 2)
(x – 2)
IReading Coordinates on a Graph Line
IDisplaying the Derivative
IGraph to Table
ICoordinate Rounding
ICalculating the Root
ICalculating the Point of Intersection of Two Graphs
IDetermining the Coordinates for Given Points
ICalculating the lntegral Value for a Given Range
IConic Section Graph Analysis
STo calculate the focus and length of latus rectum
[G-SLV]-[FOCS]/[LEN]
To determine the focus and length of latus rectum for the parabola X
(Y – 2)2 +
Xmin = –1
Statistical Graphs and Calculations
IChanging Graph Parameters
1. General graph settings
• Frequency
• Mark Type
STo display the general graph settings screen
•StatGraph (statistical graph specification)
•Graph Type (graph type specification)
Scat
NPP
2. Graph draw/non-drawstatus
INormal Probability Plot
IPie Graph
IHistogram
IMed-boxGraph
IBar Graph
INormal Distribution Curve
IBroken Line Graph
IDisplaying the Calculation Results of a Drawn Single-VariableGraph
ICalculation Methods for the Std and OnData Settings
Median
SOnData
4/10
8/10
IDrawing a Scatter Diagram and xy Line Graph
IDrawing a Regression Graph
ISelecting the Regression Type
IDisplaying Regression Calculation Results
IGraphing Statistical Calculation Results
ILinear Regression Graph
IMed-MedGraph
IQuadratic/Cubic/Quartic Regression Graph
ILogarithmic Regression Graph
IExponential Regression Graph
IPower Regression Graph
ISinusoidal Regression Graph
ILogistic Regression Graph
1 + ae–bx
IResidual Calculation
IDisplaying the Calculation Results of a Drawn Paired-VariableGraph
ICopying a Regression Graph Formula to the GRAPH Mode
ISingle-VariableStatistical Calculations
IPaired-VariableStatistical Calculations
IRegression Calculation
(yi – (axi + b))2
(yi – (a + bxi))2
(yi – (axi 2 + bxi + c))2
(yi – (axi3+ bxi2+ cxi + d ))2
(yi – (axi4+ bxi3 + cxi2 + dxi + e))2
IEstimated Value Calculation (, )
INormal Probability Distribution Calculation
IDrawing a Normal Probability Distribution Graph
ICalculations Using the Distribution Function
IDetermining Standard Deviation and Variance from List Data
ICalculations Using the TEST Command
1-Sample
2-Sample
1-Prop
2-Prop
LinearReg
IZTests
S2-Sample Z Test
S1-Prop Z Test
ItTests
S 1-Sample t Test
S2-Sample t Test
SLinearReg t Test
IƵ2 Test
I2-Sample F Test
IANOVA
Page
IANOVA (Two-Way)
SInput Example
SResults
6. Confidence Interval
Interval
SGeneral Confidence Interval Precaution
IZ Interval
It Interval
S2-Sample t Interval
7. Distribution
Normal probability density
Normal cumulative distribution
Inverse normal cumulative distribution
Student
ICommon Distribution Functions
INormal Distribution
• Normal Cumulative Distribution
• Inverse Normal Cumulative Distribution
f (x)dx = p
IStudent-t Distribution
IƵ2 Distribution
IF Distribution
IBinomial Distribution
• Binomial Cumulative Distribution
• Inverse Binomial Cumulative Distribution
IPoisson Distribution
IGeometric Distribution
• Geometric Cumulative Distribution
• Inverse Geometric Cumulative Distribution (DIST)(E)(GEO)(InvG)
IHypergeometric Distribution
Interval, and Distribution (All models except fx-7400GII)
IInput Terms
Page
IOutput Terms
ITest
IConfidence Interval
IDistribution (Continuous)
IDistribution (Discrete)
Chapter 7 Financial Calculation (TVM)
ISetup Items
IGraphing in the TVM Mode
SFV
REPT
3. Compound Interest
SPV, PMT, FV, n
39
)9
SI %
PV + Α σ 307 + σ FV
P/Y
C/Y
Inputting Values
4. Cash Flow (Investment Appraisal)
NPV
NFV
IRR
PBP
NPV = CF0 +
NFV = NPV σσ(1 + i )n
0 = CF0 +
CF1
CF2
5. Amortization
,17
BAL
sign
6. Interest Rate Conversion
EFF
EFF
APR
σσn σ100
SEL
05*(%) = 1– &67SEL σ
8.Day/Date Calculations
d1+D
d1–D
•360-dayDate Mode Calculations
9. Depreciation
SYD
SStraight-LineMethod (SL)
SL1
(PV–FV ) {Y–1}
SDeclining-BalanceMethod (DB)
I% Y–1
DB1 = PV σ 100n σ
RDV1 = PV – FV – DB1
I% DBj = (RDVj–1 + FV ) σ 100n
YLD/100
Page
PRD
11. Financial Calculations Using Functions
To calculate the total interest and principal paid for a 2-year (730-day)
$300 loan at a simple annual interest rate of 5%. Use a Date Mode
setting of
Chapter 8 Programming
2.PRGM Mode Function Keys
NEW
SWhen you are registering a file name
BASE
SYBL
IDebugging a Program
ISearching for Data Inside a Program
ISearching for a File
IEditing a File Name
IDeleting a Program
IRegistering a password
IRecalling a Password Protected Program
ICommand Index
IBasic Operation Commands
IProgram Commands (COM)
IProgram Control Commands (CTL)
Example:
Return
Syntax: Return
Syntax: Stop
IJump Commands (JUMP)
(Jump Code)
Menu
Example: Lbl 2
IClear Commands (CLR)
IDisplay Commands (DISP)
DrawFTG-Con, DrawFTG-Plt
DrawGraph
DrawR-Con, DrawR-Plt
DrawR3-Con, DrawR3-Plt
DrawStat
IInput/Output Commands (I/O)
Locate
Example: Cls
Receive( / Send
OpenComport38k / CloseComport38k
IConditional Jump Relational Operators (REL)
IStrings
Exp
ExpStr
StrCmp
Strlnv
StrJoin
StrMid
StrRight
StrRotate
StrShift
StrSrc
IOther
IText Display
IUsing Matrix Row Operations in a Program (Not available on the fx-7400GII)
IUsing Graph Functions in a Program
IUsing Dynamic Graph Functions in a Program
IUsing Table & Graph Functions in a Program
IUsing Recursion Table & Graph Functions in a Program
IUsing List Sort Functions in a Program
IUsing Statistical Calculations and Graphs in a Program
IUsing Distribution Graphs in a Program
•To draw a Student-t cumulative distribution graph
•To draw a Ƶ2 cumulative distribution graph
•To draw an F cumulative distribution graph
IPerforming Statistical Calculations in a Program
IPerforming Distribution Calculations in a Program
• Student-t Distribution
tPD(:
tCD(:
InvTCD(:
•Ƶ2 Distribution
•Binomial Distribution
BinomialPD(:
BinomialCD(:
InvBinomialCD(:
•Poisson Distribution
IUsing the TEST Command to Execute a Command in a Program
TwoSample
OneProp
TwoProp
• t Test
OneSampleTTest:
TwoSampleTTest:
Syntax :
LinRegTTest:
Bdf
IPerforming Financial Calculations in a Program
Cmpd_FV:
Cash_IRR:
Cash_PBP:
Cash_NFV:
•Amortization
7. PRGM Mode Command List
RUN Program
(MENU) key
Command
*key
)key
)(PRGM) key
K(SET UP) key
key
BASE Program
Program Name
Prime Factorization
Ellipse
Chapter 9 Spreadsheet
ISpreadsheet Screen Function Menu
ISpreadsheet File Operations
IRecalculating All of the Formulas in the Currently Open Spreadsheet
IUsing the Cell Cursor
IData (Constants, Text, Formula) Input Basics
IInputting a Constant (Value, Calculation Result, Number Sequence) into a Cell
IInputting Text into a Cell
IInputting a Formula into a Cell
IInputting a Cell Reference Name
IRelative and Absolute Cell Reference Names
ICopying and Pasting Cell Contents
ICutting and Pasting Cell Contents
IInputting the Same Formula into a Range of Cells
ISorting Constant Data
IDeleting and Inserting Cells
STo delete the contents of all the cells in a spreadsheet
STo insert a row or column of blank cells
•To insert rows
•To insert columns
STo clear the contents of specific cells
ISpecial S • SHT Mode Command List
IS • SHT Mode Command Example
IExample of Statistical Graph Operations (GRPH Menu)
IGeneral Graph Settings Screen Operations
IExample of Statistical Calculation Operation (CALC Menu)
IUsing the Statistical Calculation Data Range Specification Screen
ISTAT Mode and S • SHT Mode Function Menu Correspondence Table
ISaving Spreadsheet Data to a Memory
IRecalling Data from Memory to a Spreadsheet
eActivity
IFile List Function Menu
IWorkspace Screen Function Menu
TEXT
STOP
•Menu when a Text Line is Selected
3.eActivity File Operations
ICursor Movement and Scroll Operations
IInputting into a Text Line
IInputting into a Calculation Line
IInserting a Calculation Stop Line
IUsing Strips
Strip Data Type Table
Data Type
Strip Name
STo insert a strip
Page
SNotes Strips
STo change the title of a strip
STo call an application from a strip
kSaving a File
kDisplaying the eActivity Memory Usage Screen
Page
Chapter 11 Memory Manager
IMemory Information Screen
Main Memory
Data Name
Contents
ICreating a Folder in Storage Memory or on an SD Card
ISelecting Data
ICopying Data
IError Checks During Data Copy
IDeleting Files
IBacking Up Main Memory Data
STo restore backup data to the main memory
IOptimizing the Storage Memory or SD Card Memory
Chapter 12 System Manager
IPower Properties Settings
ISystem Language Setting
IVersion List
IReset
Function Key Functions
Chapter 13 Data Communications
II
kSelect Connection Mode Screen (All models except fx-7400GII)
IPerforming a Data Transfer Operation
IConfiguring the Receiver’s Wakeup Feature
4.Data Communications Precautions
Data Item
Overwrite Check*1
Page
kExchanging Data with another Model Calculator
S • SHT
u Sending Data from an OS 2.0 Calculator to any Older Model Calculator
Invalid Data Size
Complex Number in data
Invalid Data Number
u Sending Data from an OS 2.0 Calculator to a CFX-9850GSeries Calculator
u Sending Data from an OS 2.0 Calculator to an fx-7400GSeries Calculator
Page
u Sending Data from an fx-9860GSeries Calculator to an OS 2.0 Calculator
u Sending Data from a CFX-9850GSeries Calculator to an OS
Calculator
5. Screen Image Send
ISelect Connection Mode Screen (All models except fx-7400GII)
ITransferring Screen Images to a Computer
IAuto Screen Image Send to an OHP Unit (Not available on the fx-7400GII)
IAuto Screen Image Send to a Computer Using the fx-9860GManager
PLUS
Connecting to a Projector
STo project calculator screen contents from a projector
SPrecautions when Connecting
Chapter 14 Using SD Cards
Important
STo insert an SD card
STo remove the SD card
IRecommended SD Card Types
Appendix
Page
Page
Page
nCr
ab/c
Input range
Page
Page
1E-CON2Overview
Note
About online help
kSetup Wizard Parameters
uTo configure an EA-200setup using Setup Wizard
Before getting started
Important
If you select this sensor/option:
Go here for more information:
Page
kUsing Setup Wizard to Configure Settings for FFT (Frequency
Characteristics) Data Sampling
kUsing Setup Wizard to Configure a PhotoGate Setup
u To configure a setup for PhotoGate and Smart Pulley
kOutputting the Waveform of a Function through the Speaker
Page
To change the output frequency and try again:
To change the output range of the waveform graph and try again:
To change the function:
To exit the procedure and return to the E-CON2main menu:
kAdvanced Setup Operations
uTo return setup parameters to their initial defaults
kChannel Setup
Page
kSample Setup
Page
u To configure the Distance setting
u To configure the FFT Graph setting
kTrigger Setup
u To configure Trigger Setup settings
u To specify the countdown start time
u To specify microphone sensitivity
u To specify the trigger threshold value and trigger edge type
u To configure PhotoGate trigger start and end settings
u To specify the trigger threshold value and motion sensor level
kGraph Setup
Page
kConfiguring a Custom Probe Setup
Page
kAuto Calibrating a Custom Probe
Page
kZero Adjusting a Custom Probe
kManaging Custom Probe Setups
5 Using the MULTIMETER Mode
u To use the MULTIMETER Mode
kSaving a Setup
kUsing and Managing Setups in Setup Memory
uTo recall a setup and use it for sampling
uTo change the name of setup data
uTo delete setup data
uTo recall setup data
kConverting a Setup to a Program
Page
Page
kConverting a CFX-9850Series Program to a fx-9860Series Compatible
Program
Page
kBefore getting started
kStarting a Sampling Operation
uTo start sampling
uOperations during a sampling operation
Starts Sampling
kManaging Sample Data Files
Page
u To rename an existing sample data file
u To delete a sample data file
kAccessing Graph Analysis Tools
kSelecting an Analysis Mode and Drawing a Graph
Page
u To deselect sampled data assigned for graphing on the Graph Mode screen
kGraph Screen Key Operations
kScrolling the Graph Screen
kUsing Trace
kUsing Zoom
kTransforming Sampled Data to List Data
kUsing Fourier Series Expansion to Transform a Waveform to a Function
Page
kPerforming Regression
kOverlaying a Y=f(x) Graph on a Sampled Result Graph
kWorking with Multiple Graphs
Page
kOutputting a Specific Range of a Graph from the Speaker
Page
kConfiguring View Window Parameters
12 Calling E-CON2Functions from an eActivity
uEcon SetupWizard strip
uEcon AdvancedSetup strip
uEcon Sampling strip
uEcon Graph strip
kInserting an Econ Strip into an eActivity File
kCalling an E-CON2Function from an Econ Strip
u To access Advanced Setup from an Econ Advanced Setup strip
u To execute sampling from an Econ Sampling strip
u To graph sampled data from an Econ Graph strip
u Econ Strip Memory Capacity Precautions
This mark applies in EU countries only