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Mathematics Teacher

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Dence, Joseph B.	1
Dence, Thomas P.	1
Glidden, Peter Lochiel	1

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The Loss of Accuracy: Pitfalls and Implications for Mathematics Instruction.

Peer reviewed

Glidden, Peter Lochiel – Mathematics Teacher, 1992

Offers examples of loss of accuracy when using digital computing devices. Discusses causes for loss of accuracy and methods of preventing loss. Presents implications that loss of accuracy has for mathematics instruction. (MDH)

Descriptors: Calculators, Computation, Computer Assisted Instruction, Mathematics Education

A Rapidly Converging Recursive Approach to Pi.

Peer reviewed

Dence, Joseph B.; Dence, Thomas P. – Mathematics Teacher, 1993

Presents an algorithm to estimate pi by approximating a unit circle with a sequence of inscribed regular polygons. Demonstrates the application of the algorithm with a hand-held calculator and an Apple computer. Provides a program to calculate pi in Pascal programing language. (12 references) (MDH)

Descriptors: Algorithms, Area, Calculators, Computation