Weihnachtsmann rot


The Matheon-Kalender 2017 is available in English!
It is possible to register from now on.
The first Calender-window, with the first challenge, opens at 1st of December 2017 at 4 p.m.
That means: Just
10 days, 8 hours, 54 minutes and 8 seconds
till the first window opens and the first problem can be solved. Have fun.


Register now! - 01.11.17

Dear MATHEON-Kalender fans!

The MATHEON-Kalender team is very busy preparing this year's Advent calender for you. We have already received lots of great puzzles from the scientists of the Research Center MATHEON, our Dutch collegues and numerous volunteers. We very much hope that you will enjoy them!

From now on, you can register here for the MATHEON-Adventskalender 2017. From December 1 to 24, there will be one tricky puzzly daily, which may be solve until December 31. Of course, there will be many great prizes to win!

Your MATHEON-Kalender team :)

WANTED: Your challenge! - 16.08.17

Dear Matheon-Kalender fans!

The preparations for this year’s Advent calender have started. The scientists of the Research Center Matheon are already busy producing new tricky puzzles for you.

You also have an awesome idea for a new challenge? Neat! Send your proposal including the solution until September 18, 2017 to team@mathekalender.de. As a tradition, we will award a prize to the best of the 24 challenges.

We are looking forward to your submissions!