Describes the basics of Standard Generalized Markup Language (SGML), an international standard which separates structure and content of a document; states background information and objectives; presents an SGML document; discusses the movement from conventional documents to integrated document bases; defines hypermedia/time-based structuring…

Examines research on computer-based mathematics learning in the context of constructivist learning and the National Council of Teachers of Mathematics Standards. The reviewed studies examined the effectiveness of computer software in the three categories of programming, computer-assisted instruction, and mathematical tools. Future research is…