The SOH calculator by Metaphys is a foldable calculator which has been designed for an improved visibility out of different angles as well as for an easier moving of it. The flat, robust calculator comes out of Japan, where it has also been equipped with its excellent design. Thanks to its small size, the low weight and the flat construction, it finds a place in nearby every pocket.
The solar powered SOH calculator has been honoured with the Good Design Award in 2009 and it is available in different colours.
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