Purna Chandra Roa aka Chandoo is the founder of Chandoo.org, which helps people get better at Microsoft Excel. Chandoo launched it in 2004 as a blog, primarily to share new ideas about Microsoft Excel ...
Purna Duggirala is better known as Chandoo. He runs a website—and newsletter, and forum, and podcast—at Chandoo.org, dedicated to teaching people how to use Microsoft Excel. Unlike some software ...
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