Casio FA-124 Betriebsanweisung PDF herunterladen (Seite 10)

CASIO

E-8

Actual solution: 12

Example 4: Calculating a definite integral

To perform the following calculation





sin(x)dx

• Use the radian angle unit.

K@(RUN • MAT)

K(SET UP)(Math)

AAAAAA(Rad))

*(CALC)(

°dx)QTC?D

$(P)A

Actual solution: 1

Matrix Calculations

Example 1: To perform the following calculation

2 5 3

–1 2 0

4 2

5 1

0 3

Assign

2 5 3

–1 2 0

to Mat A, and

4 2

5 1

0 3

to Mat B.

On the {MAT} menu, select [Mat A], specify the matrix dimensions (2 rows s

3 columns), and then enter the elements.

K@(RUN • MAT)

K(SET UP)(Line))

(MAT)U

AUBUU

AUDUBU@UAU?U

In the same way, select [Mat B], specify the matrix dimensions (3 rows s 2

columns), and then enter the elements.

)AU

BUAUU

CUAUDU@U?UBU

Perform the following calculation: Mat A s Mat B.

))

*(MAT)(Mat)?T(A)

(Mat)?J(B)

Actual result:

33 18

6 0

Example 2: To determine whether a solution exists for the following simultaneous

equations

On the {MAT} menu, select [Mat A], specify the matrix dimensions (2 rows s

3 columns), and then enter the elements.

K@(RUN • MAT)

K(SET UP)(Line))

(MAT)U

AUBUU

AU@UBUCUAUDU

Use the Rref function to determine whether a solution exists for the equations.

• To enter the Rref function, press [OPTN] - [MAT] - [Rref].

–

= 3

–4

+ 2

= 5

{

–

= 3

–4

+ 2

= 5

{

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 18 19

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