Volume 75, No. 4 (2020)
Elemente der Mathematik

pp. 137–151 Begegnung zwischen klassischen Mittelwerten und KegelschnittenJoachim Jäger
pp. 152–165 The irrationality measure of as seen through the eyes of cos()Sully F. ChenErin P. J. Pearse
pp. 166–171 An inequality for cevians and applicationsMartin LukarevskiDan Ștefan Marinescu
pp. 172–175 On the Inequalities of Grüss–Čebyshev and Kantorovich: A Probabilistic ApproachLothar Heinrich
pp. 176–179 Aufgabenpp. 180–182 RezensionenYunus E. Zeytuncu