Excel's Subtotal feature can render quick results when you need simple grouping calculations. Susan Harkins shows you how this powerful feature works.

For example - I have 7 lines reporting Firefox.<BR><BR>My task is to combine each instance of the same app, total the run time, and then total the front-most window time.

Other benefits to using SUBTOTAL are that you can opt to ignore any numbers that have been hidden, dynamically summarize data, and sum filtered values. And one of the most useful reasons is that you ...

This is the demonstration file to accompany the article, How to calculate conditional subtotals in an Excel revenue sheet, by Susan Harkins.