who believes that the wall clocks are a bit 'old-fashioned and not up with the design ricrederà after seeing this gadget . This watch, from the very classical circular form, instead of hours on the face has a lot of equations to be solved, one for each hour. And so we will engrossed looking at the clock trying to solve simple math problems in mind that conceal the exact time. In fact, only guesses the right answer if you can figure out what time it is. Obviously you do not need a calculator and accounts are available to everyone, with a little 'good will. Excellent for removing mental laziness and to keep the brain working at home.
The watch is available in two versions: with a dial / black board or white. E 'ideal as a gift, perhaps to make it a little' more spiritual a bad grade in math or simply to give a special touch and original to an element so classic as the wall clock.
clock equations is available on Vitamin R at:
http://www.vitaminar.it/products/311-orologio-di-equazioni.aspx
and costs € 34.99 for the version € 32.99 for black and white ones.
Come discover if you're still able to deal in mind, without your trust calculator.
