[ rohlz ]
/ roʊlz /
the theorem that a differentiable function having equal values at the endpoints of an interval has a derivative equal to zero at some point in the interval.
What’s The #’s Real Name?A hash has referred to stripes on military jackets since as early as 1910. But, in the 1980s, people started using hash to refer to the # symbol.
Origin of Rolle's theorem
1890–95; named after Michel Rolle (died 1719), French mathematician
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019