Casio FA-123 Manual de usuario descargar pdf (Pagina 2)

Note 0A • Fractions (continued) fx-7400G Plus

denominator. is also used to send images to a computer, so if

the conversion does not seem to work, select

LINK from the Main

Menu and press

(IMGE) (Off).

[d/c] converts mixed numbers to improper fractions, and

vice versa.

To enter and solve







, press . The answer to a

problem that involves only fractions will be in the form of a fraction or a

whole number. However, the answer to a problem that involves a decimal

will be in decimal form. To convert the terminal decimal answer to a

fraction, and vice versa, press .

As an alternative to using the special fraction keys, you can enter a fraction

as a division problem. To work with simple fractions like



and improper

fractions like



, simply enter them into your calculator as division problems.

To see the answer displayed as a fraction, you must press . Often you

don’t need to use parentheses around a fraction entered as a division

problem, but when in doubt, put in the parentheses.

Note 0B • Exponents

There are several ways to raise a number to a power by using the calculator.

The simplest way to square a number (raise it to the second power) is to

use . Enter the number you want to square and then press . When you

press , the calculator will multiply the number by itself. For all powers

(including the second power), you can use .

EXE

↔

EXE

⁄c



⁄c

SHIFT

F1F4EXE

↔

(continued)

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

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