LET

The LET function lets you define named variables in a formula. There are two primary reasons you might want to do this: (1) to improve performance by eliminating redundant calculations and (2) to make more complex formulas easier to read and write. Once a variable is named, it can be assigned a static value or a value based on a calculation. The formula can then refer to a variable by name as many times as needed, while the value of the variable is defined in one place only. Example 1 | Example 2 | Example 3 | Example 4 | More examples Variables are named and assigned values in pairs, separated by commas (name1,value1, name2,value2, etc). LET can handle up to 126 name/value pairs, but only the first name/value pair is required. The scope of each variable is the current LET function and nes