[dak1]

You may be thinking of https://stackoverflow.com/questions/588004/is-floating-point...

  0.1 + 0.2 === 0.3 // false

However, R is not immune to this problem either: https://stackoverflow.com/questions/6874867/floating-point-i...

[RobertRoberts]

I did a quick look up and edited my original comment. But I think this is related...