http://unlearningmath.com/2010/01/12/groupings-shopping-lists-vectors-part-15/ math as a garden, friendly and always new Tue, 20 Dec 2011 20:42:50 +0000 hourly 1 http://wordpress.com/ http://unlearningmath.com/2010/01/12/groupings-shopping-lists-vectors-part-15/#comment-457 Sun, 12 Sep 2010 04:30:54 +0000 http://unlearningmath.com/?p=1470#comment-457 [...] Groupings, Shopping Lists, and Vectors – part 15 – a look at Excel, showing extended price calculations [...]

]]> http://unlearningmath.com/2010/01/12/groupings-shopping-lists-vectors-part-15/#comment-256 Mon, 25 Jan 2010 02:21:50 +0000 http://unlearningmath.com/?p=1470#comment-256 [...] show a full-fledged matrix multiplication done in a spreadsheet, Excel.  (This series starts here; part 15 and part 16 introduce vector inner products done in [...]

]]> http://unlearningmath.com/2010/01/12/groupings-shopping-lists-vectors-part-15/#comment-255 Sun, 24 Jan 2010 22:53:03 +0000 http://unlearningmath.com/?p=1470#comment-255 [...] relatively straightforward notions of grouping and keeping track of wholes with many parts.  In the last post, I showed in an Excel spreadsheet how these ideas show up there.  My starting point for this post [...]

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