In Knuth's algorithm for multlprecision integer division, the estimated quotient digit may differ from the correct value by 2 in rare cases. We derive the entire range of cases in which thisâ€¦ (More)

In teaching Pascal in our basic programming course since 1975, we have developed a teaching order using a sequence of language subsets, similar in concept to the SP/k, SF/k, and PS/k systems of Holtâ€¦ (More)

composite B-tree, or Bc-tree, is an when two relations are joined. indexing technique that, in addition to providing fast access to tuples (records) of a relation with specified attribute 1 . 1 . c mâ€¦ (More)

Let P = {P1, P2, . . . , Pk} be a set of k permutations on the set f~ = {1, 2 , . . . , n}. The transitivity set containing i (or orbit of i) under P is the set of images of i under the action ofâ€¦ (More)