Casio CFX-9970G Gebrauchsanweisung

Chapter

List Function

A list is a kind of container that you can use to store multiple data

items.

This calculator lets you store up to six lists in a single file, and

you can store up to six files in memory. Stored lists can be used

in arithmetic, statistical, and matrix calculations, and for graphing.

17-1 List Operations

17-2 Editing and Rearranging Lists

17-3 Manipulating List Data

17-4 Arithmetic Calculations Using Lists

17-5 Switching Between List Files

Element number Display range Cell

Row

List name

Column

List 1 List 2 List 3 List 4 List 5 List 6

1 56 1 107 3.5 4 0

2 37 2 75 6 0 0

3 21 4 122 2.1 0 0

4 69 8 87 4.4 2 0

5 40 16 298 3 0 0

64832486.8 3 0

7 93 64 338 2 9 0

8 30 128 49 8.7 0 0

••••••

List Data Linking

230

Matrix Table

LIST

List operation

Example:

List 1 + List 2

{1, 2, 3} + {4, 5, 6}

List 1 + 3

From a graph to a list

Table data generated by

GRAPH TO TABLE to a list

↓w

List internal operations

↓w

Memory transfer

Generating a table by

defining a list as the

variable.

1(LIST)

2(LMEM)

4(List4)

Inside list

Copying the column of a

specific table to a specific list.

↓w

Memory transfer

Example: To send column 1

of Mat Ato a list

GraphOperation

List graphing

Y1=List 1X

231

17-1 List Operations

Select the LIST icon in the Main Menu and enter the LIST Mode to input data into

a list and to manipulate list data.

uTo input values one-by-one

Use the cursor keys to move the highlighting to the list name or cell you want to

select. Note that cdoes not move the highlighting to a cell that does not contain

a value.

The screen automatically scrolls when the highlighting is located at either edge of

the screen.

The following example procedure is performed starting with the highlighting

located at Cell 1 of List 1.

1. Input a value and press wto store it in the list.

2. The highlighting automatically moves down to the next cell for input.

• Note that you can also input the result of an expression in a cell. The following

operation shows how to input the value 4 in the second cell and then input the

result of 2 + 3 in the next cell.

ewc+dw

232

uTo batch input a series of values

1. Use the cursor keys to move the highlighting to another list.

2. Press !{, and then input the values you want, pressing ,between each

one. Press !}after inputting the final value.

!{g,h,i!}

3. Press wto store all of the values in your list.

• Remember that a comma separates values, so you should not input a

comma after the final value of the set you are inputting.

Right: {34, 53, 78}

Wrong: {34, 53, 78,}

You can also use list names inside of a mathematical expression to input values

into another cell. The following example shows how to add the values in each row

in List 1 and List 2, and input the result into List 3.

1. Use the cursor keys to move the highlighting to the name of the list where you

want the calculation results to be input.

2. Press Kand input the expression.

K1(LIST)1(List)b+

1(List)cw

17 - 1 List Operations

233

17-2 Editing and Rearranging Lists

kEditing List Values

uTo change a cell value

Use dor eto move the highlighting to the cell whose value you want to

change. Input the new value and press wto replace the old data with the new

one.

uTo delete a cell

1. Use the cursor keys to move the highlighting to the cell you want to delete.

ddc

2. Press 3(DEL) to delete the selected cell and cause everything below it to be

shifted up.

• Note that the above cell delete operation does not affect cells in other lists. If

the data in the list whose cell you delete is somehow related to the data in

neighboring lists, deleting a cell can cause related values to become

misaligned.

uTo delete all cells in a list

Use the following procedure to delete all the data in a list.

1. Use the cursor key to move the highlighting to any cell of the list whose data

you want to delete.

2. Press 4(DEL-A). The function menu changes to confirm whether you really

want to delete all the cells in the list.

3. Press 1(YES) to delete all the cells in the selected list or 6(NO) to abort

the delete operation without deleting anything.

234

uTo insert a new cell

1. Use the cursor keys to move the highlighting to the location where you want to

insert the new cell.

2. Press 5(INS) to insert a new cell, which contains a value of 0, causing

everything below it to be shifted down.

• Note that the above cell insert operation does not affect cells in other lists. If

the data in the list where you insert a cell is somehow related to the data in

neighboring lists, inserting a cell can cause related values to become

misaligned.

kSorting List Values

You can sort lists into either ascending or descending order. The highlighting can

be located in any cell of the list.

uTo sort a single list

Ascending order

1. While the lists are on the screen, press 1(SRT-A).

2. The prompt “How Many Lists? (H)” appears to ask how many lists you want to

sort. Here we will input 1 to indicate we want to sort only one list.

17 - 2 Editing and Rearranging Lists

235

3. In response to the “Select List (L)” prompt, input the number of the list you want

to sort. Here we will input 2 to specify sorting of List 2.

Descending order

Use the same procedure as that for the ascending order sort. The only difference

is that you should press 2(SRT-D) in place of 1(SRT-A).

uTo sort multiple lists

You can link multiple lists together for a sort so that all of their cells are rearranged

in accordance with the sorting of a base list. The base list is sorted into either

ascending order or descending order, while the cells of the linked lists are

arranged so that the relative relationship of all the rows is maintained.

Ascending order

1. While the lists are on the screen, press 1(SRT-A).

2. The prompt “How Many Lists? (H)” appears to ask how many lists you want to

sort. Here we will sort one base list linked to one other list, so we should input 2.

3. In response to the “Select Base List (B)” prompt, input the number of the list

you want to sort into ascending order. Here we will specify List 1.

4. In response to the “Select Second List (L)” prompt, input the number of the list

you want to link to the base list. Here we will specify List 2.

Editing and Rearranging Lists 17 - 2

236

Descending order

Use the same procedure as that for the ascending order sort. The only difference

is that you should press 2(SRT-D) in place of 1(SRT-A).

• You can sort up to six lists at one time.

• If you specify a list more than once for a single sort operation, an error occurs.

An error also occurs if lists specified for sorting do not have the same number of

values (rows).

17 - 2 Editing and Rearranging Lists

237

17-3 Manipulating List Data

List data can be used in arithmetic and function calculations. In addition, various

list data manipulation functions makes manipulation of list data quick and easy.

You can use list data manipulation functions in the RUN,STAT,MAT,LIST,

TABLE,EQUA and PRGM Modes.

kAccessing the List Data Manipulation Function Menu

All of the following examples are performed after entering the RUN Mode.

Press Kand then 1(LIST) to display the list data manipulation menu, which

contains the following items.

•{List}/{L→M}/{Dim}/{Fill}/{Seq}/{Min}/{Max}/{Mean}/{Med}/{Sum}/{Prod}/

{Cuml}/{%}/{AA

Note that all closing parentheses at the end of the following operations can be

omitted.

uTo count the number of values [OPTN]-[LIST]-[Dim]

K1(LIST)3(Dim)1(List) <list number 1-6>w

• The number of cells that contain data in a list is called its “dimension.”

Example To enter the RUN Mode and count the number of values in List

1 (36,16,58,46,56)

AK1(LIST)3(Dim)

1(List) bw

uTo create a list or matrix by specifying the number of data

[OPTN]-[LIST]-[Dim]

Use the following procedure to specify the number of data in the assignment

statement and create a list.

<number of data n>aK1(LIST)3(Dim)1(List)

<list number 1-6>w

n= 1 ~ 255

238

Example To create five data items (each of which contains 0) in List 1

AfaK1(LIST) 3(Dim)

1(List) bw

Use the following procedure to specify the number of data rows and columns, and

the matrix name in the assignment statement and create a matrix.

!{<number of row m> ,<number of column n> !}a

K1(LIST)3(Dim)J2(MAT)1(Mat)a<matrix name>w

m,n= 1 ~ 255, matrix name; A ~ Z

Example To create a 2-row ×3-column matrix (each cell of which

contains 0) in Matrix A

A!{c,d!}a

K1(LIST)3(Dim)J

2(MAT)1(Mat)aAw

uTo replace all cell values with the same value [OPTN]-[LIST]-[Fill]

K1(LIST) 4(Fill) <value> ,1(List) <list number 1-6> )w

Example To replace all values in List 1 with 3

AK1(LIST)4(Fill)

d,1(List)b)w

The following shows the new contents of List 1.

uTo generate a sequence of numbers [OPTN]-[LIST]-[Seq]

K1(LIST) 5(Seq) <expression> ,<variable name> ,<start

value> ,<end value> ,<pitch> )w

• The result of this operation is stored in ListAns Memory.

17 - 3 Manipulating List Data

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