something like 15k with maybe half of them being 0.37 Oh, that's something entirely different. If some of your other numbers are much larger than 0.37, you wil

something like 15k with maybe half of them being 0.37 Oh, that's something entirely different. If some of your other numbers are much larger than 0.37, you will run into a different kind of problem. You know about exponent and mantissa? Adding a value with a small exponent to a value with a big exponent will cause imprecisions. In extreme cases the result is just the bigger number.