
Adil Mammadov thinks this is interesting:
Real Number Rounding Errors
float
and double
internally represent numbers in base 2.
For this reason, only numbers expressible in base 2 are represented
precisely. Practically, this means most literals with a fractional
component (which are in base 10) will not be represented precisely. For
example:
float tenth = 0.1f; // Not quite 0.1 float one = 1f; Console.WriteLine (one  tenth * 10f); // −1.490116E08
This is why <...
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