We don't blame you — Excel is typically associated with bland spreadsheets, crunching numbers, and boring charts.
But Tatsuo Horiuchi, a 74-year-old man from an area in Japan called Nagano Prefecture, has discovered how to make stunning works of art using Excel spreadsheets.
Horiuchi's art has been circulating the web over the past several years, so we decided to round up some of his best work in one place.
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Read more: http://www.businessinsider.com/tatsuo-horiuchi-excel-art-2014-6?op=1#ixzz353IA01L5