Volume 78, No. 1 (2023)
Elemente der Mathematik
S2O
Articles of this issue are accessible as open access under our subscribe to open model.

pp. 1–8 Intriguing infinite words composed of zeros and onesClark Kimberling
pp. 9–20 Dreiecke, Teildreiecke und KreisePeter Thurnheer
pp. 21–34 Is the spiral effect psychological?Bernhard Klaassen
pp. 35–36 Wolstenholme's theorem revisitedArpan Kanrar
pp. 37–40 An inequality for the ratio of polynomialsHorst Alzer
pp. 41–43 Angle sum of polygons in spaceFritz SiegeristKarl Wirth
pp. 44–48 Aufgaben