You have to provide a range you want to filter. The next parameter, as specified above, is a boolean array, but where can we find it? A boolean array is simply a range of True or False values. You can take any range and turn it into a boolean array with an array formula.

What you’re doing here is applying a condition to a range of values using operators like >, <, or =. For example, suppose you have a list of product names in column A and their sales figures in column B. You want to filter out only the products with sales greater than 250.

First, select column A (product names). Then, create a boolean array to identify which products meet the condition. You can do this separately or integrate it directly into your formula.