The ploughmen usually take special care with their work near public roads, so that the furrows end on to the base of the highway shall be mathematically straight.
"Wild Life in a Southern County"
Richard Jefferies
There is that of possibility in being positively thigmotactic which makes one dread the necessity of exposing and limiting its meaning, of digging down to its mathematically accurate roots.
"Edge of the Jungle"
William Beebe
"There is another factor which we feel should be in the equation," he said, "but we have not yet found a precise way to express it mathematically.
"Out Like a Light"
Gordon Randall Garrett