HP 40gs User Manual page 194

hp40g+.book Page 12 Friday, December 9, 2005 1:03 AM
EXPAND
FACTOR
14-12
which gives
4294967297
You can factor F(5) with FACTOR, which you'll find in the
ALGB menu on the menu bar.
Typing:
FACTOR(F(5))
gives:
641·6700417
Typing:
F(6)
gives:
18446744073709551617
Using FACTOR to factor it, then yields:
274177·67280421310721
Distributivity
EXPAND expands and simplifies an expression.
Example
Typing:
2
( ( ⋅
XPAND X + 2 X
gives:
4
x + 1
Factorization
FACTOR factors an expression.
Example
To factor:
4
x + 1
type:
4
FACTOR(X +1)
FACTOR is located in the ALGB menu.
2
) ⋅ ( ⋅ )
+ 1 X – 2 X + 1
Computer Algebra System (CAS)