Casio FA-123 Manual de usuario descargar pdf (Pagina 8)

Note 0H • Generating Random Integers (continued) fx-7400G Plus

pressing (LIST) (Seq), enter the formula as before, and then

add ,x,

1,5,1 to generate five random numbers in this interval.

Note 0I • The Repeating Decimal Program

The RPT DEC program can be used to convert a repeating decimal to a

fraction. Follow the steps below:

a. Link or manually enter the program into your calculator. (See

Note 0F and Note 0G.)

b. In the Main Menu, arrow to

PRGM and press . Toggle the arrow

key down to select the program labeled RPT DEC and press .

c. You are asked to enter your decimal. Enter your decimal, including

at least one digit more than one repeating cycle, and press . For

example, if your number is .133333 . . . , you could enter .133, .1333,

or .13333, and so on.

d. You are then asked how many digits repeat. In our example, the 3 is

the only digit that repeats, so press .

e. You are next asked how many digits come before the repeating digits.

In our example, .133333 ...,thereisonedigit(the 1), so press .

f. The equivalent fraction will be displayed on the screen. You can then

use to convert back and forth between fraction and decimal.

File Name:RPT DEC

"ENTER DECIMAL"∑

?áN∑

"HOW MANY "∑

"DIGITS "∑

"REPEAT"?áP∑

"HOW MANY "∑

"DIGITS COME"∑

"BEFORE THE"∑

↔

EXE

F1F4F1OPTN

"REPEATING"∑

"DIGITS"?áL∑

Int (10^L£N)áR∑

Frac (10^L£N)áS∑

Int (S£10^P)áC∑

(10^P-1)£10^LáB∑

10^LáA∑

R°A+C°B

DA2_FX7400G_00.qxd 2/10/07 9:29 AM Page 8

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