Hide or display zero values in Excel worksheets by using an option in the Advanced tab, or by using a number format, using a conditional format, a function, and by hiding zeros in PivotTable reports.

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An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...

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Learn about the UNIQUE function, which returns a list of unique values in a list or range. UNIQUE is in a class of functions called dynamic arrays.

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If you're new to Excel, you might be typing a formula for subtraction incorrectly. Here are two ways to do it:

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