Microsoft Excel allows you to quickly add percentages to a series of numbers without performing each calculation by hand. As an example, you might have a list of wholesale prices for items you sell in ...

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...

The Solver add-in for Microsoft Excel is one of the most important, so we can understand the frustrations when users cannot get it to work as they hope. In older versions of Excel, folks had to ...

It's often useful to put a header or footer on the top or bottom of Excel spreadsheets. The header or footer might contain information about who prepared the spreadsheet, a disclaimer about the ...