News for hackers. Stuff that matters.

A comment on 0.30000000000000004. Parent comment

Re:0.30000000000000004 by aeorgnoieang on Friday November 13, 2015 @11:33AM (#10560685)
A fraction can only be expressed 'cleanly' if its denominator uses only the prime factors of the base.
[ Parent | on HN ]
Re:0.30000000000000004 by btilly on Friday November 13, 2015 @02:16PM (#10561815)
For example, 30 is divisible by 10, but 1/30 is not represented cleanly in base 10.
[ Parent | on HN ]