Inventor (Mr. N. Basheer Ahamed) launches his unique mathematical product at the Sharjah International Book Fair-5 -15th Nov. 2014 UAE.

https://www.flickr.com/photos/indianabacus/sets/72157648933641107/

 http://www.sharjahbookfair.com/en/newsdetails.aspx?gid=251&rid=6