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50 Years of ERIC
50 Years of ERIC
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Peer reviewed Peer reviewed
ERIC Number: EJ200094
Record Type: CIJE
Publication Date: 1979-Mar
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Hand-Held Calculators and the Learning of Trigonometric Ratios.
Szetela, Walter
Journal for Research in Mathematics Education, v10 n2 p111-18 Mar 1979
Specially designed materials were used for teaching trigonometric ratios to 131 ninth- and tenth-grade students, one group using calculators and one not. Results on achievement were mixed. (MP)
Publication Type: Journal Articles
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A