Some Uses of the Exchange Key on a Calculator.

Maor, Eli

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ERIC Number: EJ220100

Record Type: CIJE

Publication Date: 1980-Mar

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Some Uses of the Exchange Key on a Calculator.

Maor, Eli

Mathematics Teacher, v73 n3 p213-17 Mar 1980

Examples given for uses for the calculator exchange key include: generation of the Fibonacci sequence and geometric series, determination of square roots, and the chief use of the function, which is to interchange the numerator and denominator of a fraction. (MK)

Descriptors: Calculators, Computation, Educational Media, Educational Technology, Mathematics Instruction, Memory, Number Concepts, Secondary Education, Secondary School Mathematics

Publication Type: Journal Articles; Guides - General

Education Level: N/A

Audience: Practitioners

Language: English

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