History
Time-scale calculus was introduced in 1988 by the German mathematician Stefan Hilger. However, similar ideas have been used before and go back at least to the introduction of the Riemann–Stieltjes integral which unifies sums and integrals.
Read more about this topic: Time-scale Calculus
Famous quotes containing the word history:
“Universal history is the history of a few metaphors.”
—Jorge Luis Borges (1899–1986)
“History takes time.... History makes memory.”
—Gertrude Stein (1874–1946)
“All history is a record of the power of minorities, and of minorities of one.”
—Ralph Waldo Emerson (1803–1882)