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5

Applications

OVERVIEW OF THE MAIN APPLICATION

Run – Matrix

Main application, calculations, 
numerical differentiation  
and integration, random 
numbers, matrix algebra  

and combinations.

Statistics

Statistics application,  
data entry and analysis,  
list functions, graphical  
and numerical regression.

Spreadsheets

Spreadsheet calculations 
application.

Graph

Graphics application,  
graphical representation of 
functions, graphical analysis.

Dynamic Graph

Dynamic graphics  
application, dynamic 
representation of  
functions with arguments.

Equation

Numerical equation solver. 
solving of equations and 
equations systems.

Link

communication settings.  
set the cable type and  
the transmission.

System

System settings.  
adjust the contrast, 
language, clearing the 
memory, initialising.

Summary of Contents for FX-CG20

Page 1: ...1 User Guide for the operations of the Fx Cg20 Graphic Calculator...

Page 2: ...led information the user guide is also available Casio s range of Graphic calculators provide leading technologies with intuitive user interfaces providing teachers and students with maths tools which...

Page 3: ...ZOOM 21 V WIN 22 SKETCH 23 G SOLVE 24 Curves 26 Functions with parameters 27 Plotting images 28 Screen capture internal 30 TABLE Table Values Apply 31 DYNA Dynamic Graphics 32 Editor and sub menus 32...

Page 4: ...in connector cable Functions button Cursor Main Menu Variable allocation Power ON Power OFF Calculate confirm range Options for commands and variables SHIFT Button second assignment yellow ALPHA Butto...

Page 5: ...al regression Spreadsheets Spreadsheet calculations application Graph Graphics application graphical representation of functions graphical analysis Dynamic Graph Dynamic graphics application dynamic r...

Page 6: ...application Select a Reset with F5 Reset Menu Here you will find several options e g only the Setup settings default F5 setting to place a hold For initialization with F6 of the next page access Initi...

Page 7: ...of the main menu to reach other applications Leave the application with MENU Language settings The instructions are in English there are five languages the language user can choose from English is pre...

Page 8: ...buttons Save and Exit the SETUP with EXIT The Option key OPTN With the Options key instructions will appear e g in the RUN MATRIX application of the command RanInt a b for whole random numbers betwee...

Page 9: ...form Simple Calculations in the RUN MATRIX application Enter 4x13 and perform the calculation with EXE the result is 52 Calculating with fractions Input numerator A B C denominator Mixed Fraction SHIF...

Page 10: ...be deleted F2 DEL F1 DEL L F1 To clear screen F2 DEL F2 DEL A F1 To Copy Place the cursor on the row to be copied Copy function is called with SHIFT 8 CLIP Copy by using F1 CPY L Paste anywhere with...

Page 11: ...omitted If no variable is specified an automatic calculation of the Variable X will be made Up to 10 results are displayed simultaneously Number sequence Seq OPTN F1 F5 Seq Form1 Variable Start value...

Page 12: ...e A Total storage of the sum A 2 of the Variable B Indication of the value of the Variable B Deleting Variables Delete a Variable through the assignment from 0 Or performing a reset Here the values of...

Page 13: ...variable e g Mat A is assigned Edit the Matrix Entries The matrix of the variables are assigned and will be stored in the matrix editor and can be edited F3 MAT Select Matrix EXE Calculations with Mat...

Page 14: ...s opened Swap Interchange of rows Scalar multiplication of a specified line Addition of multiples from one row to another Addition of one row to another XRw Among the points ROW and COL more rows or c...

Page 15: ...2 MAT F3 Det F1 Mat ALPHA X T A Transpose a Matrix Trn Unit Matrix Iden Dimension of the Matrix Dim Upper triangular form of the Matrix Ref Diagonalisation of the Matrix Rref Exponentiation e g Squari...

Page 16: ...red the numbers of the unknowns must be entered The input pattern is displayed at the top of the screen Note The Equations application computes the unique solution detachable LGS To determine the over...

Page 17: ...the Graphics Editor SELECT F1 For the Graphic the displayed function term must be selected The selection is stored in the deposited black equal sign DELETE F2 Deletes the Function terms TYPE F3 Selec...

Page 18: ...Image An image can be saved using the OPTN key and F1 PICTURE F1 STORE Stores up to 20 images To recall a saved image OPTN F1 PICT F2 RCL Background image To recall an image OPTN F1 PICTURE F2 RECALL...

Page 19: ...window and axis scaling See Page 22 G SOLVE F5 Graphical solution Determine the zeros extremes and intersections etc See Page 24 ZOOM F2 Increase or decrease the display area for the Graphic See Page...

Page 20: ...plit screen is selected To recall the SETUP press SHIFT MENU To select the Dual Screen GtoT Graph to Table use F2 TRACE Documented values Navigate the split screen mode with the Cursor keys and confir...

Page 21: ...UTO function F5 tries to represent the entire function and find a meaningful Zoom setting Presets F6 Further Zoom tools are called with F6 These are automatic tools e g ORIGINAL Original size The wind...

Page 22: ...ave the same scaling 10 10 Adjusting the Graphics Window Xmin smaller values of the X axis Xmax greater values of the X axis Scale Distance between two points on the X axis Dot Grid The impact e g of...

Page 23: ...the selected point Normal Norm F3 F3 and with the Cursor keys or by entering a value of a point on the curve confirm with EXE The normal is drawn on the selected point Note In the Derivative on in th...

Page 24: ...nts on intersection lie with The drawn functions graph are numerically analysed in the G Solve function Multiple graphs are displayed and selected in the functions graph with the Cursor keys down conf...

Page 25: ...3 Integral calculation F1 Integral Move the Cursor to the bottom first then select the upper limit confirm each of them with EXE Alternatively a value can be entered directly F2 ROOT Integral between...

Page 26: ...er value value value Note It is also possible to enter a list with braces directly as a factor Valu Value Value Functions term Graphical representation Represent the Graph with F6 The calculation can...

Page 27: ...the representation of the function is not DRAW but F5 MODIFY Modify the Parameters and select using the Cursor keys down The parameter step determines the step size of the modification If you would li...

Page 28: ...a coordinate system OPTN All other commands are displayed on OPTN To open a file select F1 FILE and OPEN Open Images If the FILE OPEN has been selected the directory structure of the calculator will...

Page 29: ...be plotted with the Cursor keys and the EXE key Pay attention to a clean sequence of points since the points are automatically written in to a variable list End the plot with EXE Regression When the...

Page 30: ...cation For example press in the Graphic application OPTN Then a screenshot can be created with F1 PICTURE Invite Pictures If the FILE OPEN has been selected the directory structure of the calculator c...

Page 31: ...Parametric Function Parm F3 Range and Type of Representation The range of the value tables and the increment is set in SET F5 Confirm entries with EXE Represent Table Values Represent the value table...

Page 32: ...to Variables The variable is defined with F4 If the function contains several variables here the dynamic variable is selected F1 SEL Submenu VAR Setting Range The values of the variables are set with...

Page 33: ...es run for the constant K The value is shown at the bottom of the display The representation can be aborted with AC ON Window Setting V WIN The Graphic window setting is to find in the overview window...

Page 34: ...ph1 Graph Type Hist F6 F1 Xlist List of features noted from 1 6 Frequency Frequency list for the values in Xlist Data is selected with F2 2 EXE Graphical representation of Script 2 Example of Histogra...

Page 35: ...uctions for editing Lists For processing lists various commands in the statistics application as well as in the RUN MAT application are available OPTN F1 LIST F6 Min Minimum Max Maximum Mean Mean Med...

Page 36: ...gression with F2 CALC without graphical representation Under SET F6 some settings are made 1Var Xlist 2Var Xlist x value of a one or two dimensional sample 1Var Freq 2Var Freq Frequency values of a on...

Page 37: ...d the calculation is performed Note The number of successes can be selected from the function keys as a Variable or a List The result can be saved under Save Res save results in a list Pressing EXE wi...

Page 38: ...ntax Seq Formula Variable Start value End value range Select the command Bpd with F5 DIST F5 BINM F1 before you return with EXIT and enter the values Confirm the input with EXE Store the results under...

Page 39: ...With F1 call references can be tapped and select the cells using the Cursors and F1 confirm selection with EXE Note Absolute cell references as in the conventional PBX are made with the help of the s...

Page 40: ...with F2 EDIT F2 COPY insert into any other cell with F1 PASTE To insert a formula into a cell range F2 EDIT F6 F1 Enter a sequence of numbers e g from 1 50 into a cell range with F2 EDIT F5 SEQ Graphi...

Page 41: ...e display of values and graphs Select the cell that you would like to colour then press SHIFT 5 Format Now you can change the character colour If the Link Colour is enable in the Graph settings the co...

Page 42: ...quently edited Structure of eActivity There are three essential components of eActivity Lines of Text Calculation Rows Strips access to applications You can switch between Text and Calculation row usi...

Page 43: ...ll be opened by pressing F1 FILE The entries will be saved with SAVE Transfer to the PC The CASIO FX CG20 functions as USB mass storage When you connect the FX CG20 to the PC via the USB the contents...

Page 44: ...ation the Image transfer must be activated In the Link application F6 CAPTURE F2 BMP Now you can create screenshots out of any application with SHIFT 7 CAPTURE The BMP files are found on the computer...

Page 45: ...es with AC ON Data transfer computer to OHP Connect the calculater with the Over Head Projector using the USB cable then an options menu will automatically appear Press F4 to select the Projector OHP...

Page 46: ...CD A B OPTN F8 t F4 NUM F8 t F2 Hyperbolic functions e g sin Sinh OPTN F8 t F2 HYP F1 Integer part of number X IntX OPTN F8 t F4 NUM Integral dx Term lower bound upper bound OPTN F4 CALC F4 Lowest com...

Page 47: ...etrics x real numbers or lists n probability of success P geometric probability GeoPD x p GeoCD x p InvGeoCD P p OPTN F5 STAT F3 DIST F6 t F2 Distribution hyper geometrics x real numbers of lists n nu...

Page 48: ...48 Notes...

Page 49: ...49 Notes...

Page 50: ...aphic 32 Paste 10 Input Mode 9 Inputs change delete 10 e Activity 42 EXIT Button 4 EXE Button 4 Faculty 46 FILL TK application 40 Area Calculation 9 25 Frequency 34 Function Keys 7 Function Variable Y...

Page 51: ...application 40 Seq Command 11 SKETCH 23 Delete Sketch 23 SHIFT Button 4 SOLVE 11 Clear Memory 6 Language Setting 7 SQR ZOOM Graphic application 21 Traces DYNA application 29 Statistics application 34...

Page 52: ...www casio co uk education...

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