Descriptor
| Algebra | 1 |
| Computer Software | 1 |
| Computer Uses in Education | 1 |
| Mathematical Enrichment | 1 |
| Mathematics | 1 |
| Mathematics Instruction | 1 |
| Matrices | 1 |
| Microcomputers | 1 |
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| Secondary School Mathematics | 1 |
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| Meyer, Ruth A. | 1 |
| Riley, James E. | 1 |
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| Computer Programs | 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
