Then to optimize over that linear model they’ll show you gradient descent, and again you’ll note, “Well, that’s just calculus!” Support vector machines? Merely convex optimization. Naive Bayes? Just ...

Microsoft Excel 2007 has math problems. Over the weekend some folks in the Microsoft Excel Google Group reported that cell operations like =77.1*850 return erroneous results (in this case Excel ...

Microsoft is working to fix a bug in Excel 2007 and Excel Services 2007 that involves calculations numbers around 65,535. Excel is calculating the values correctly, according to Microsoft, but the ...

Microsoft has identified an odd bug in Excel 2007 that incorrectly displays 100,000 as the multiplication result in a cell when the answer should be 65,535 or 65,536. Microsoft employee David Gainer ...

Microsoft Corp. yesterday confirmed that Excel 2007, the newest version of its market-leading spreadsheet, returns incorrect calculation results in some cases. The math bug first surfaced Saturday on ...