Ulysses, Writing, Scientific Writing.
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — | | A function is a mathematical expression describing a relationship between input and output sets. For instance, the square of whole numbers is a relationship between the set of integers 0, 1, 2, 3, 4… and the set 0, 1,