399 999 999 999 999 - 399 999 999 999 998 =

0

Feb 19, 2014 · In ordinary arithmetic, the expression has no meaning, as there is no number which, multiplied by 0 gives a number x different from zero, and so ...

Sep 25, 2008 · this is about fixed-precision floating point math. the behavior indicates that google uses 64 bit floats.

Google's probably using (something similar to) double precision floating point arithmetic, which only has about 16 digits of precision.

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Aug 25, 2008 · The rough estimate version of this issue that I learned is that 32-bit floats give you 5 digits of precision and 64-bit floats give you 15 digits of precision.

Sep 24, 2009 · I think its a financial calculator.. When you have lost $399,999,999,999,998 out of that amount, you basically are left with nothing.

Aug 22, 2008 · The first query is a bug: Any 18 digit number minus (-) another 18 digit number seems to return 0. The second query's result is bug of the same ...

According to Google....0. I for one believe this is an indicator that some horrible catastrophe is imminent. Plagues, stillborn calves, you know...biblical ...

Aug 12, 2010 · Log in · Sign up. Conversation. Nick Loui · @nloui. Google: 399999999999999 - 399999999999998. 6:45 PM · Aug 12, 2010.

I think that happens because Google Calculator uses a float variable ._. You must log in ...