# data[].attributes.body
A function is a predefined formula that performs specific calculations using the data entered in the cell range. To use a function, first enter an equal sign (=), the function name, and then the arguments for that function. Some of the main functions are SUM, AVERAGE, COUNT, MAX, AND MIN. The formulas tab houses all the functions in Excel separated by categories (ie. Financial, Logical, Text, Date & Time). The insert function tool allows you to search for functions using keywords.