hp40g+.book Page 12 Friday, December 9, 2005 1:03 AM

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

EXPANDDistributivity

EXPAND expands and simplifies an expression.

Example

Typing:

XPAND((X2 + 2 ⋅ X + 1) ⋅ (X2 – 2 ⋅ X + 1)

gives:

x4 + 1

FACTORFactorization

FACTOR factors an expression.

Example

To factor:

x4 + 1

type:

FACTOR(X4+1)

FACTOR is located in the ALGB menu.

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Computer Algebra System (CAS)