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Szetela, Walter1
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Hand-Held Calculators and the Learning of Trigonometric Ratios.
Peer reviewed Peer reviewed
Szetela, Walter – Journal for Research in Mathematics Education, 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)
Descriptors: Calculators, Computation, Concept Formation, Educational Research
A Comparison of Achievement and Attitudes of Students Using Conventional or Calculator-Based Algorithms for Operations on Positive Rational Numbers in Ninth-Grade General Mathematics
Peer reviewed Peer reviewed
Gaslin, William L. – Journal for Research in Mathematics Education, 1975
Descriptors: Algorithms, Attitudes, Calculators, Fractions