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| Elementary Secondary Education | 1 |
| Geometric Concepts | 1 |
| Mathematicians | 1 |
| Mathematics Activities | 1 |
| Mathematics Education | 1 |
| Mathematics History | 1 |
| Number Concepts | 1 |
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| Mathematics in School | 1 |
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| Van Brummelen, Glen | 1 |
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| Guides - Classroom - Teacher | 1 |
| Journal Articles | 1 |
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Peer reviewedVan Brummelen, Glen – Mathematics in School, 1998
Provides information about mathematician Jamshid al-Kashi and his work on calculating mathematical values such Pi or Sin(1). (ASK)
Descriptors: Elementary Secondary Education, Geometric Concepts, Mathematicians, Mathematics Activities
