welcome to the first Parabola issue of this decade! We welcome Arnaud Brothier who is joining David Angell as Problem Editor.
Welcome Arnaud and welcome, dear Reader!
welcome to this issue of Parabola! This theme of this issue is the “natural” numbers.
Dear Reader, welcome to this issue of Parabola!
It is my pleasure to dedicate this issue to Bruce Henry, to whom I - and Parabola - owe much. It also my pleasure to welcome Parabola's newest Problem Editor, Sin Keong, a life-long expert in Parabola problems.