HARRISBURG, Pa.--(BUSINESS WIRE)--Math Nation-Pennsylvania, a supplemental Algebra 1, Geometry, and Algebra 2 math program, is now available at no cost to all Pennsylvania public schools and districts ...

Abstract: This is the second in a series of papers describing the ALPAK system for nonnumerical algebra on a digital computer. The first paper, Ref. 1, is concerned with polynomials in several ...