There are a number of common mathematical meanings of the term digital sum:
Read more about Digital Sum: Values, Operations
Famous quotes containing the word sum:
“The history of literature—take the net result of Tiraboshi, Warton, or Schlegel,—is a sum of a very few ideas, and of very few original tales,—all the rest being variation of these.”
—Ralph Waldo Emerson (1803–1882)