This directory contains comprehensive descriptions of diagnostic-prescriptive mathematical programs, for which some success has been demonstrated in the classroom, as shown by statistical evidence of significant improvement of student learning. The table of contents is designed to provide easy identification of programs related to specific grade levels. The descriptions offer information related to program rationale, materials, classroom organization, inservice training, cost, evaluation data on achievement, and where possible, the location of New Jersey school districts using the program. (JP)