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TEDxDelft - Felienne Hermans - What Archimedes has to say about spreadsheets

Felienne Hermans claims spreadsheets are widely used in industry, sometimes even for business-critical applications, but they can be large and complex, making it difficult for their users to understand how they work, and if they work correctly. Felienne has worked on a software system that visualizes spreadsheet structure and shows the weak points in the spreadsheets design. Tests performed with professional spreadsheet users have for instance shown that the number of ranges, the nesting depth and the presence of conditional operations in formulas significantly increase the difficulty of understanding a spreadsheet.On 7 November 2011 over 900 people gathered in the beautiful city of Delft for the first TEDx event in Delft, the Netherlands: TEDxDelft. We had 20 live speakers on stage talking about a wide range of subjects. A few of our speakers: Theo Jansen, Irma Boom, Huba de Graaff, Leo Kouwenhoven, Erik Meijer, Lodewijk van den Berg, Kas Oostheruis, Bauke Steenhuisen and Lowie Vermeersch. More information on http://www.TEDxDelft.nlIn the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organized TED event. The TED Conference provides general guidance for the TEDx program, but individual TEDx events are self-organized.* (*Subject to certain rules and regulations)
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