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Factor, Factormod – HP 49g Graphing Calculator User Manual

Page 144

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See also:

SINCOS

FACTOR

Type:

Command

Description:

Factorizes a polynomial or an integer:

• The fimction expresses a polynomial as the product

of in’educible polynomials.

• The fimction expresses an integer as the product of

prime numbers.

Access:

Algebra, 0{ALG)

Input:

An expression or an integer.

Output:

The factorized expression, or the integer expressed as
the product of prime numbers.

Flags:

Exact mode must be set (flag -105 clear).

Numeric mode must not be set (flag -03 clear).

Example:

Factorize the following:

x*" + 5x + 6

Command:

F A C T O R ( X ^ 2 + 5 * X + 6 )

Result:

( X + 2 ) ( X + 3 )

See also:

EXPAND

FACTORMOD

Type:

Fimction

Description:

Factorizes a polynomial modulo the current modulus.
The modulus must be less tlian 100, and a prime number.

Access:

Arithmetic,

RiSTH)

modulo

Input:

The expression to be factorized.

Output:

The factorized expression modulo the current modulus.

Flags:

Exact mode must be set (flag -105 clear).

Numeric mode must not be set (flag -03 clear).

Example:

Factorize the following expression modulo the default

modulus, 3.

0+2

Computer Algebra Commands

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