Usage History of 'nonnegative'

The following chart shows how frequently 'nonnegative' appeared in printed materials over time. For example, the word 'nonnegative' occurred 6 times in books in 1885 and 12,723 times in 2008. From 1885 to 2008, the word 'nonnegative' was used a total of 406,453 times in books scanned by Google. See Reference: Google Ngram project.

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