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Result 61 to 80 of 816 total

Iteration of sine and related power series. (English)
Math. Mag. 87, No. 5, 338-349 (2014).
Classification: I20 I30
61
A convergent sequence of circles. (English)
J. Recreat. Math. 38, No. 2, 101-105 (2014).
Classification: G70 I30 F60
62
Squeezing bubbles into corners. (English)
Math. Teach. (Reston) 107, No. 6, 473-477 (2014).
Classification: G40 I30
63
L’Hôpital’s rule. (Die Regel von l’Hôpital.) (German)
Elem. Math. 69, No. 3, 118-129 (2014).
Classification: A30 I20 I30 I40 Reviewer: Robert W. van der Waall (Huizen)
64
Proof without words: limit of a recursive arithmetic mean. (English)
Coll. Math. J. 45, No. 5, 364 (2014).
Classification: I30
65
Proof without words: an infinite series using golden triangles. (English)
Coll. Math. J. 45, No. 2, 120 (2014).
Classification: I30 F60 G40
66
Finding formulae for summing the general power series of positive integers. (English)
Math. Teach. (Derby) 238, 17-21 (2014).
Classification: I30
67
Squares, clocks and primes. (English)
Math. Teach. (Derby) 241, 8-9 (2014).
Classification: F60 I30
68
Generalizing: the core of algebraic thinking. (English)
Math. Teach. (Reston) 107, No. 6, 432-439 (2014).
Classification: H20 H30 I20 I30
69
Elementary proofs of the identities $\mathrm{csc}^2 θ= \frac{1}{θ^2} +\sum_{k=1}^{\infty}(\frac{1}{(kπ+ θ)^2} + \frac{1}{(kπ- θ)^2})$, $\cot θ= \frac{1}θ-\sum_{k=1}^{\infty} \frac{2θ}{k^2π^2-θ^2}$ and $\sinθ= θ\prod_{k=1}^{\infty}(1-\frac{θ^2}{k^2π^2})$. (English)
Int. J. Math. Educ. Sci. Technol. 45, No. 7, 1108-1113 (2014).
Classification: I30 I20
70
The development of calculus in the Kerala School. (English)
Math. Enthus. 11, No. 3, 493-512 (2014).
Classification: A30 G60 I20 I30 N50
71
Correction to “The Collatz conjecture". (Korrektur zum Artikel “Die Collatz-Vermutung".) (German)
Wurzel 48, No. 7, 158 (2014).
Classification: I30 F60
72
Using triangular numbers as ‘steps’ when constructing quadratic and cubic sequences. (English)
Math. Spectr. 47, No. 1, 11-18 (2014).
Classification: I30 K20
73
Aperiodically ordered sequences and the Perron-Frobenius theorem. II. (Aperiodisch geordnete Folgen und der Satz von Perron-Frobenius. II.) (German)
Wurzel 48, No. 6, 118-125 (2014).
Classification: P20 N70 I30 K20 H60 Reviewer: Peter Dürr (Linkenheim)
74
Aperiodically ordered sequences and the Perron-Frobenius theorem. I. (Aperiodisch geordnete Folgen und der Satz von Perron-Frobenius. I.) (German)
Wurzel 48, No. 5, 97-105 (2014).
Classification: P20 N70 I30 K20
75
The doomed fly: a kinematic brain-teaser. (Die todgeweihte Fliege: eine kinematische Denkaufgabe.) (German)
Wurzel 48, No. 7, 164-169 (2014).
Classification: M50 I30 D50
76
A discrete approach to the concept of derivative. (English)
ZDM, Int. J. Math. Educ. 46, No. 4, 603-619 (2014).
Classification: I40 I30 U70
77
A Pascal-like triangle from finding power sums. (English)
Int. J. Math. Educ. Sci. Technol. 45, No. 6, 932-938 (2014).
Classification: I30 K20 F60
78
Simple expansions for sine and cosine. (English)
Int. J. Math. Educ. Sci. Technol. 45, No. 5, 738-741 (2014).
Classification: I30 I20
79
The beetle on the rubber band. (Der Käfer auf dem Gummiband.) (German)
Monoid 34, No. 118, 14-16 (2014).
Classification: I30 I50 U40
80

Result 61 to 80 of 816 total

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