Almost every month, I suggest the Subtotal feature to a reader. It's an easy-to-use feature that summarizes data by groups. You define the group and the summarizing function; Excel does the rest. This ...

Later, we'll add an IF() function that returns a subtotal for each day. How to calculate conditional subtotals in an Excel revenue sheet Your email has been sent Adding a condition to a simple revenue ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...