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Demana, Franklin | 2 |
Osborne, Alan | 1 |
Waits, Bert K. | 1 |
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Reports - Descriptive | 1 |
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Waits, Bert K.; Demana, Franklin – College Mathematics Journal, 1990
The rule of 78 is used by banks and loan companies to compute the amounts due when installment loans are paid early. Describes an unexpected case of negative amortization when the rule is applied. Presents an actual problem and discusses the case. (YP)
Descriptors: Algorithms, College Mathematics, Computation, Computer Oriented Programs

Demana, Franklin; Osborne, Alan – Arithmetic Teacher, 1988
Argues that the type of calculator that is used in mathematics instruction is very important. Suggests that four-function calculators fail to give correct values of mathematical expressions far more often than do scientific calculators. (PK)
Descriptors: Algorithms, Calculators, Computation, Educational Technology