Kopfnuss

from Paul Christoph Grathwohl, originally released 28th May, 2010

Kopfnuss is an app that helps you train your brain in order to deal with all kinds of numbers.
Whether you're summing up your shopping bill, tipping appropriately at your local diner or deciphering roman numbers on historical buildings - soon everything appears to be as easy as 1+2=3.


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