Delving deeper: Patterns in binomial coefficients and repeated differences. (English)
Math. Teacher 104, No. 6, 470-475 (2011).
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Using conjectures to teach students the role of proof. (English)
Math. Teacher 97, No. 1, 48-52 (2004).
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A probability problem involving calculus. Ein mit Mitteln der Analysis zu loesendes Problem aus der Wahrscheinlichkeitsrechnung. (English)
Math. Teacher. (May 1991) v. 84(5) p. 402-405. [ISSN 0025-5769]
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