x digitAt: y

is the yth digit from the right when writing x as a quantity base 256.

1 digitAt: 1	is	1
1 digitAt: 2	is 	0
257 digitAt: 1	is	1
256 digitAt: 2	is 	1

Its primary utility is for manipulating LargeIntegers, which are 
internally represented as an array of bytes.

On Monday, February 11, 2002, at 09:25 PM, 
<rallende at harlan.di.unc.edu.ar> wrote:

> Hello, where can i read about digitAt: method found on some subclasses 
> of
> numbers, 'cause i readed the description at the implementation and i 
> can't
> understand very well it's meaning.
>
> thanks
> r.
>
>