What are dyslexia, dyscalculia, dyspraxia and dysgraphia? Dyscalculia includes all types of maths problems ranging from an inability to understand the meaning of numbers, to an inability to apply mathematical principles to solve problems.
The Infinite Staircase sculpture titled Umschreibung was designed by Olafur Eliasson. The staircase can be found at the entrance of the KPMG office building in Munich, Germany. Photo taken by Christian Krieglsteiner.