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| Reports - Descriptive | 1 |
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Peer reviewedMeyer, Ruth A.; Riley, James E. – School Science and Mathematics, 1989
Presents a method for using matrix algebra and computers to encode and decode secret messages. Provides examples of coding procedures, a short review of matrix multiplication, and a BASIC program for use with secret messages containing up to 1000 numbers. (RT)
Descriptors: Algebra, Computer Software, Computer Uses in Education, Mathematical Enrichment
Peer reviewedSchaefer, Paul – Journal of Computers in Mathematics and Science Teaching, 1989
Provides a program listing in True BASIC which constructs several kinds of matrices: (1) matrices with integral entries that have inverses that have integral entries; (2) matrices with integral entries that have inverses that are rational numbers with reasonable denominators; and (3) matrices with integral entries and prescribed integer…
Descriptors: Algebra, College Mathematics, Computer Oriented Programs, Computer Software
Nevile, Liddy, Ed. – 1992
Logo programming language was conceived 25 years ago, but in the 10 years since it has made its way out of the laboratory, research has not clarified the role of Logo in education. A conference on Logo and mathematics focused on mathematical and educational issues, rather than on technical issues related to changes in hardware and Logo software.…
Descriptors: Computer Assisted Instruction, Computer Uses in Education, Conference Proceedings, Cooperative Learning
Peer reviewedLough, Tom; Tipps, Steve – Journal of Computers in Mathematics and Science Teaching, 1987
Discusses several ways in which the Logo programming language can be used to experiment with and learn about matrices. Describes procedures for developing a Logo tool to establish a matrix representation, as well as others for adding, subtracting, and transposing. (TW)
Descriptors: College Mathematics, Computer Assisted Instruction, Computer Uses in Education, Courseware
