Todd Benson wrote:
> Is there a simple way to induce a bit string into an
> integer; for example, "10010000" into 144?

"10010000".to_i(2)

>  And also,
> to show a Fixnum in its different representations
> (hex, num, binary)?

144.to_s(16), 144.to_s(2)

But what's "num"?

-- 
Florian Frank