Originally Posted by
ffsim
For anyone using the wrong platform
Not really. Computers will yield a NaN if they strictly face 0/0, or if the answer falls outside the range of their floating point format. As to an answer being indeterminate that never makes sense physically, except if the question made no sense in the first place. Otherwise a sensible limit should exist.
None of which explaining why AC's computers yield a NaN when adding 0+0. Which in any decent family and for any reasonable computer is always 0.