From: Brian Candler Date: 2011-08-14T20:57:02+09:00 Subject: Re: Fwd: Why this? "Николай" wrote in post #1016537: > Hallow, can anybody explain me that? > a = (10**2 + 5**2) #=> 125 > b = Math.hypot(10, 5)**2 #=> 125.0 > a == b #=>false Try looking at (a-b) For the long story see http://docs.sun.com/source/806-3568/ncg_goldberg.html -- Posted via http://www.ruby-forum.com/.