instructional materials; namely, work books and instructional texts relating to mathematics education; mathematics teaching kits composed primarily of printed instructional materials

computer software for instructional use in connection with mathematics education; prerecorded audio and video tapes for instructional use in connection with mathematics education

TEACHING APPARATUS, NAMELY KITS CONTAINING STORAGE CASES AND MANIPULATIVE PIECES USED TO ILLUSTRATE MATHEMATICAL RELATIONSHIPS AND CONCEPTS, AND EDUCATIONAL DEMONSTRATION APPARATUS HAVING MOVING PARTS WHICH ILLUSTRATE TRIGONOMETRIC RELATIONSHIPS; AND EDUCATIONAL PRERECORDED VIDEO TAPES

EDUCATIONAL BOOKS