A formula-based Sudoku puzzle solver built entirely in Microsoft Excel without any VBA or macros. Once I learned about Excel's iterative calculation setting, I had to build a simple project to ...

Microsoft's Mac BU and FrontLine Systems have announced that Solver for Excel 2008 is now available for the Mac as a free download.

Excel offers myriad options for referring to workbooks and sheets in your VBA code. See which methods make sense in which situations.