The backward difference is a Finite Difference defined by
Newton's Backward Difference Formula expresses as the sum of the th backward differences
See also Adams' Method, Difference Equation, Divided Difference, Finite Difference, Forward Difference, Newton's Backward Difference Formula, Reciprocal Difference
Beyer, W. H. CRC Standard Mathematical Tables, 28th ed. Boca Raton, FL: CRC Press,
pp. 429 and 433, 1987.