sábado 11 de octubre de 2008

Euler on Barranc de Biniaraix


The year 2007, celebrating the year Euler, the Mathematical Society of the Balearic Islands made the 1707th step from Ravine Biniaraix a stone with Euler's Identity.

(Information and photos donated by the Society of Mathematics of the Balearic Islands SBM-XEIX)