IMAGINARY is your place for open and interactive mathematics. You can explore great programs, enjoy beautiful picture galleries and create hands-on math exhibits. Share your own ideas and modules. Stage your own exhibitions.

Inform yourself about the different exhibitions in the explore section. Here you will also find all related content for download. 
The interact section is the place to share your ideas: Upload your own galleries or programs, see what others are contributing and get in touch with the community
The think section provides interesting background material on different mathematical topics – for beginners and experts.


Apr. 15, 2014

The Center of Art and Technology of Zaragoza, Etopía, opened the last April 9th an expositive space “Ciencia Remix” (Science remix), that includes two exhibitions: Matopía and Ciencia Ciudadana (Citizen’s science).

Matopía is a mathematics exhibition that features amongst others the exhibits MarteMáticas (math in art), Suertes (probability), and IMAGINARY’s program...Read more

Apr. 8, 2014

The original 2048 online puzzle game was created by 19 year old Italian developer Gabriele Cirulli (see the original game). It instantly became a massive viral hype, probably because it is beautiful in its simplicity. Are you addicted yet?

Try our SURFER version of the game! more

Mar. 24, 2014

How we get our information, how we live and how we communicate - all this has changed radically over the past two decades. Digital technologies play an important role in our everyday lives and provide us with a whole range of new options. Some call it a digital revolution that is matched in scale only by the invention of the printing press. Science Year 2014 “The Digital Society” shows how research can produce new solutions to promote this...Read more

Feb. 10, 2014

On February 2nd, 2014, the first permanent exhibition of the Museum of Mathematics of Catalonia (MMACA) opened its doors in Cornellà de Llobregat (Barcelona), after more than six years of traveling exibitions around towns and cities of Spain.

On February 5th the opening ceremony took place, with large attendance and supported by the Catalan mathematical and education...Read more

Jan. 30, 2014

The preparations for the 2nd Heidelberg Laureate Forum (HLF) are in full swing, and applications from young researchers to attend the second Forum are still accepted! The Heidelberg Laureate Forum Foundation (HLFF) is looking for outstanding young mathematicians and computer scientists from all over the world who would like to get the chance to personally meet distinguished experts from both...Read more



Nov. 5, 2014 to Nov. 7, 2014
African Institute for Mathematical Sciences - South Africa|6-7 Melrose Place|Muizenberg|Cape Town|7745|ZA
Sep. 18, 2014 to Sep. 20, 2014
Erlebnisland Mathematik Dresden|Technischen Sammlungen Dresden|Junghansstraße 1-3|Dresden|01277|DE
Aug. 13, 2014 to Aug. 21, 2014
COEX|159 Samseong 1(il)-dong|Gangnam-gu|Seoul|135-731|KR

Latest user blog entries

Mar. 23, 2014

Pi-Day is celebrated on March the 14th, by mathematics enthusiasts each year. In Tanzania, the day is celebrated as a national event by students, teachers and policy-makers. The Pi-Day celebration in Tanzania was first held in 2004 through the initiative of Mr. Beniel Seka under the auspices of…Read more

Jun. 9, 2013

I finished reading the book now, and will try to give a short resumee. In all of my former blog entries, I did not speak much about the actual story of the book, so I’ll start with an overview of what happens. Cedric Villani is a scientist at the ENS in Lyon…Read more

May. 28, 2013

Another article about the book, with many direct quotations from the German translation (found by Andreas): 

http://www. more

May. 23, 2013

In an interview with Villani in Le Monde, I found the following concerning the bunch of formulas in the book:

“La mathématique, c’est comme tout : cela peut se raconter à n’importe quel degré de complexité. D’ailleurs, l’une des raisons de mentionner dans mon…Read more

May. 19, 2013

My father sent me the original article in the FAS, and I rechecked what I wrote about it before. The original citation concerning Perelman is

”[…] ich bin weit von Perelmans Niveau entfernt, und nehme an, ohne mich zu zieren.”

(“I am far…Read more