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Travis, David L. – Mathematics and Computer Education, 1983
A student noticed an interesting fact about the base two numerals for perfect numbers. Mathematical explanations for some questions are given. (MNS)
Descriptors: College Mathematics, Computers, Higher Education, Mathematics

Dence, Thomas P. – Mathematics and Computer Education, 1983
Representation of integers in various bases is explored, with a proof. (MNS)
Descriptors: College Mathematics, Higher Education, Integers, Mathematics

Metz, James – Mathematics and Computer Education, 1984
A study of a class of numbers called 'Good numbers' can provide students with many opportunities for investigation, conjecture, and proof. Definitions and proofs are presented along with suggested questions. (MNS)
Descriptors: College Mathematics, Discovery Learning, Higher Education, Mathematics

Baumback, Randall R. – Mathematics and Computer Education, 1984
The historical origin of star-polygons is noted and the mathematics of them presented, with illustrations. Seven theorems are included, as well as a computer program designed to classify star-polygons. (MNS)
Descriptors: College Mathematics, Higher Education, Mathematical Enrichment, Mathematics

Levine, Deborah – Mathematics and Computer Education, 1983
The Euclidean algorithm for finding the greatest common divisor is presented. (MNS)
Descriptors: Algorithms, College Mathematics, Computation, Higher Education