## Comment Re:Poor QA (Score 1) 626

* (1/10)^n for integer n is irrational in base 2 and the truncation was unavoidable. *

Whether or not a number is irrational does not depend on the base. The number (1/10)^n is rational in any base. By irrational, maybe you meant "finite decimal expansion"?

Unrelated: The article starts with the example 599999999999999 - 599999999999998 = 0 in Google. Fortunately some software gives the correct result by default.