HP 49g Graphing Calculator - Manual (Page 145)

Command: FACTORMOD { X ^ ' 2 + 2 )
Result: ( X + 1 ) * ( X - 1 )
FACTORS
Type:
Description:
Access:
Input:
Output:
Flags:
Example 1:
Command:
Result:
Example 2:
Command:
Result:
Command
For a value or expression, returns a list of prime factors
and their multiplicities.
Arithmetic, 0®]])
A value or expression.
A list of prime factors of the value or expression, with
each factor followed by its multiplicity.
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Find the prime factors of 100.
F A C T O R S ( 1 0 0 )
{ 5 2 . 2 2 . }
Find the irreducible factors of: .r" + 4x + 4
FACTORS (X''2 + 4 * X + 4 )
{ X + 2 , 2 . }
FCOEF
Type:
Description:
Access:
Input:
Output:
Command
From an array of roots and multiplicities/poles, returns a
rational polynomial with a leading coefficient of 1, with
the specified set of roots or poles, and with the specified
multiplicities.
Arithmetic,
0(
m
T
h
)
polynomial
An array of the form [Root 1, multiplicity/pole 1, Root 2,
Multiplicity/pole 2 , . . ] The multiplicity/pole must be an
integer. A positive number signifies a multiplicity. A
negative number signifies a pole.
The rational polynomial with the specified roots and
multiplicities/poles.
Page 14-22 Computer Algebra Commands