George Immerseel
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GAMES WITH THE POCKET CALCULATOR
Sivasailam Thiagarajan and Harold D. Stolovitch
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THE HAND-HELD CALCULATOR
Iowa Council of Teachers of Mathematics
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PROBLEM-SOLVING PRACTICE VIA STATISTICAL DATA
K. Allen Neufeld
George Immerseel
Sivasailam Thiagarajan and Harold D. Stolovitch
Iowa Council of Teachers of Mathematics
K. Allen Neufeld