How does one generate a negative number of products?
http://dictionary.cambridge.org/grammar/british-grammar/amou...
Would that be both 0 and less than 0? there's got to be something wrong here. :)
https://math.stackexchange.com/questions/455639/what-is-the-...
https://www.quora.com/Is-there-a-smallest-positive-real-numb...