The MOD function in Microsoft Excel lets you work out whether one number is divisible by another. If it's not, it tells you what's left over. For example, if you divide 3 by 2, the MOD function will ...

An optimization problem is one where you have to make the best decision (choose the best investments, minimize your company’s costs, find the class schedule with the fewest morning classes, or so on).

Do you have an Excel spreadsheet with huge data and scratching your head about how to find discrepancies? A discrepancy in Excel is quite common irrespective of whether you are an expert or an amateur ...