Casio FA-124 Guía de usuario descargar pdf (Pagina 7)

CASIO

E-5

3. Examples

Basic Calculation

Example 1: Solve the quadratic equation 3x

+ 5x –15=0.

Solve the equation by performing the following calculation:

(–5 +

+ 4 × 3 × 15

)÷(2s 3).

K@(RUN • MAT)

K(SET UP)(Line))

DV()DVC

B@DAB

Actual solution: 1.552970177

Example 2: To use the Pythagorean Theorem to determine the hypotenuse of a

right triangle

For a right triangle of side a = 5 cm and sideb=7cm,determine the

hypotenuse by performing the following calculation:

+ 7

K@(RUN • MAT)

K(SET UP)(Line))

V()DVFV

Actual solution: 8.602325267

 8.6 cm

Example 3: To determine the remaining two sides of right triangle with a

hypotenuse ofc=10cmandanangle of 36° at one end

Determine the length of the two sides by performing the following

calculations: 10sin(36), 10cos(36).

• Use the degree angle unit.

K@(RUN • MAT)

K(SET UP)(Line)

AAAAAA(Deg))

@?QBE

Actual solution: 5.877852523

 5.9 cm

@?ABE

Actual solution: 8.090169944

 8.1 cm

Replay Function

The Replay Function lets you edit the contents of a previously performed

calculation and execute it again.

Pressing B or C will display the last calculation you performed so you can edit it.

• In the Math input/output mode, use the D key to display the calculation you want

to edit, and then B or C.

Example: To execute the calculation

+ 8

, change the 8 to 10, and re-

calculate

K@(RUN • MAT)

K(SET UP)(Line))

V()DVGVU

BB#@?

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