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Peer reviewedAyoub, Ayoub B. – Mathematics and Computer Education, 1996
Examines the relation between the sequence of approximations to the square root of a number and the harmonic, geometric, and arithmetic means using the TI-85 graphing calculator. (MKR)
Descriptors: Algorithms, Estimation (Mathematics), Graphing Calculators, High Schools
Peer reviewedCruthirds, John; Dodd, Fred – Mathematics and Computer Education, 1997
Provides pathological examples for which graphing calculators sometimes give surprising, misleading, or incorrect results. Investigates some of the more interesting of these examples encountered while using the TI-85 in a variety of undergraduate courses including calculus and matrix theory. (DDR)
Descriptors: Algorithms, Calculators, Calculus, College Curriculum
Peer reviewedDobbs, David E.; Peterson, John C. – Mathematics and Computer Education, 1997
Presents several types of functions which fit a given set of data and create opportunities for classroom discussion comparing different kinds of functions and identifying some of the potential hazards associated with extrapolation from best-fit functions. (DDR)
Descriptors: Algorithms, Calculators, Calculus, College Curriculum
