Wenn wir die Breite einer ebenen Figur in Richtung einer Ge raden m kennenlernen wollen, werden w...

Dieses Buch enthalt vierzehn kurze, erklarende Essays iiber elementare Themen der Zahlentheorie, ...

Die Mathematik ist mit klugen Ideen reichlich versehen. Und wie lange man sie auch immer betreibt...

Professor Honsberger has succeeded in 'finding' and 'extricating' unexpected and little known pro...

A collection of ingenious problems and their solutions from elementary mathematics.

Another collection from a best-selling author.

Historical and anecdotal essays about famous problems, theorems, or mathematicians.

General mathematical essays as well as problems from various national and international Olympiads.

Mathematical Delights is a collection of 90 short elementary gems from algebra, geometry, combina...

Another collection of problems from best-selling author Ross Honsberger. He presents a selection ...