HP 40gs - Manual (Page 238)

14-56 Computer Algebra System (CAS)
FACTOR Factors a polynomial.
Example 1
Typing:
FACTOR(X 2 – 2)
gives:
Example 2
Typing:
FACTOR(X 2 + 2·X + 1)
gives:
GCD Returns the GCD (Greatest Common Divisor) of two
polynomials.
Example
Typing:
GCD(X 2 + 2·X + 1, X 2 – 1)
gives:
HERMITE Returns the Hermite polynomial of degree n (where n is a
whole number). This is a polynomial of the following type:
Example
Typing:
HERMITE(6)
gives:
x 2 + ( ) x 2 – ( ) ⋅
x 1 + ( )
2
x 1 +
H
n
x ( ) 1 – ( ) n
e
x
2
2
-----
d
n
dx
n
-------- e
x
2
2
----- –
⋅ =
64x
6
480x
4
– 720x
2
120 – +
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