Casio fx-82ZA PLUS User's Guide download pdf (Page 15)

E-14

Prime Factorization

In the COMP Mode, you can factor a positive integer up to 10 digits into

prime factors up to three digits.

To perform prime factorization on 1014

1014 =

!e(FACT)

When you perform prime factorization on a value that includes a factor that

is prime number with more than three digits, the part that cannot be factored

will be enclosed in parentheses on the display.

To perform prime factorization on 4104676 (= 2

× 1013

)

!e(FACT)

Any one of the following operations will exit prime factorization result

display.

• Pressing !e(FACT) or =.

• Pressing any of the following keys: . or e.

• Using the setup menu to change the angle unit setting (Deg, Rad, Gra) or

the display digits setting (Fix, Sci, Norm).

Note: • You will not be able to execute prime factorization while a decimal

value, fraction, or negative value calculation result is displayed. Trying to

do so will cause a math error (Math ERROR). • You will not be able to

execute prime factorization while the result of a calculation that uses Pol,

Rec is displayed.

Function Calculations

For actual operations using each function, see the “Examples” section

following the list below.

: π is displayed as 3.141592654, but π = 3.14159265358980 is used for

internal calculations.

e : e is displayed as 2.718281828, but e = 2.71828182845904 is used for

internal calculations.

sin, cos, tan, sin

−1

, cos

−1

, tan

−1

: Trigonometric functions. Specify the

angle unit before performing calculations. See

sinh, cosh, tanh, sinh

−1

, cosh

−1

, tanh

−1

: Hyperbolic functions. Input a

function from the menu that appears when you press w. The angle unit

setting does not affect calculations. See

°,

: These functions specify the angle unit. ° specifies degrees,

radians,

and

grads. Input a function from the menu that appears when you perform

the following key operation: 1G(DRG '). See

$, %

: Exponential functions. Note that the input method is different

depending upon whether you are using Natural Display or Linear Display.

See

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Casio fx-82ZA PLUS User's Guide Page 15

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