


Some of these functions require many inputs to return the output. Calculating the average of a set of numbers using the AVERAGE function.Performing a logical test using the IF function.
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Last time I counted, there were 479 functions available in Excel. In the abstract sense, this is exactly what a function does! Functions in ExcelĮxcel has a ton of functions. You can input an address and it will return a location on the map. A function doesn't necessarily have to have numerical inputs and outputs. You probably see examples of functions in real life all the time but just don't think of them as functions. It's a simple rule that can be applied to any number. If the input is 100, the output will be 101.If the input is 9, the output will be 10.So if the input is 1 the output of the successor function will be 2.For this function the input is x and the output is x+1.This is usually represented by f(x)=x+1 in mathematical notation. It takes any natural number and returns the successor or next number in the sequence. Let's take a look at a very simple example in math called the successor function. The function is the rule or calculation that's applied to the input to get the output result. In abstract terms, a function is something that will take an input and return an output.
