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Issue 1
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Front matter
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Preface
Editorial note ; Erratum
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1
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Article
An alternate proof of Gerretsen's inequalities
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2
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Article
Density property of certain sets and their applications
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9
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Article
Alternative investigation into "Surprising sinc sums and integrals"
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15
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Article
The AM-GM inequality from different viewpoints
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24
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Article
From Pappus to Kocik's diagram for relativistic velocity addition
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35
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Rubric
Aufgaben
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39
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Book review
Rezensionen
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44
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Back matter
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Issue 2
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Front matter
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_
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Article
Die Gregorianische Kalenderreform, Teil 1
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45
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Article
A note on Sassenfeld matrices
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62
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Article
An effective approach for integer partitions using exactly two distinct sizes of parts
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66
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Article
Triangles with sides in arithmetic progression
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75
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Article
Short note on the proof of Ptolemy's Lemma
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80
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Rubric
Aufgaben
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83
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Book review
Rezensionen
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87
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Back matter
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Issue 3
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Front matter
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_
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Article
Die Gregorianische Kalenderreform, Teil 2
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89
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Article
Parametric integrals, the Catalan numbers, and the beta function
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103
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Article
Lattices modulo N with long shortest distances
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111
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Article
Papagenos Wunsch und die Mathematik
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122
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Article
Short note : expressing the remainder of the Taylor polynomial when the function lacks smoothness
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126
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Rubric
Aufgaben
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131
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Book review
Rezensionen
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135
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Back matter
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_
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Issue 4
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_
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Front matter
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_
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Article
Johann Bernoulli and the cycloid : a theorem for posterity
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137
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Article
Über ein Theorem von Hans Läuchli
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164
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Article
Short note : on the sums of Fibonacci and Lucas sequences or the art of cancelling 1-x
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171
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Article
Gerretsen and the Finsler-Hadwiger inequality
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173
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Rubric
Aufgaben
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175
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Book review
Rezensionen
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180
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Back matter
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_
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