- The Scarlet Plague by Jack London (Project Gutenberg)
The way led along upon what had once been the embankment of a railroad. But no train had run upon it for many years. The forest on either side swelled up the slopes of the embankment and crested across it in a green wave of trees and bushes. The trail was as narrow as a man’s body, and was no more than a wild-animal runway.
- Division by zero (Wikipedia)
In mathematics, division by zero, division where the divisor (denominator) is zero, is a unique and problematic special case. Using fraction notation, the general example can be written as a/0 where a is the dividend (numerator).