You'd be surprised. Decades ago I had to convert mortgage software that was using 32-bit floating point to fixed point arithmetic because they discovered that t

You'd be surprised. Decades ago I had to convert mortgage software that was using 32-bit floating point to fixed point arithmetic because they discovered that the cumulative errors from computing payments over 30+ year mortgages could lead to non-trivial inconsistencies. Don't knock the impact of cumulative loss of precision.