Use the LOOKUP function to get the directory of a store A store sells different products in a big warehouse. Each floor contains different categories of products. For example, the customer can find soft- ware on the first floor and hardware on the second floor. Each category is assigned a combination of two letters, such as software = SO, hardware = HA, food = FO, indoor = IN, and outdoor = OU. The task now is to find which 260 • Microsoft Excel Functions and Formulas, Fifth Edition products are sold on which floor by entering the category abbreviation in cell A9. Do this by using the array form of the LOOKUP function to return a value from a one-row or one-column range or from an array. LOOKUP(lookup_value, array) lookup_value: A value that will be looked up in an array. array: A range of cells containing text, numbers, or logical values that are to be compared with lookup_value. > To display the correct floor: 1. In a worksheet, copy cells Al:C6, as shown in Figure 9–10. 2. In cell A9, enter the abbreviation of the product category.

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