For example, instead of manually calculating an average with a formula like =(A1+A2+A3)/3, you can use the AVERAGE function (=AVERAGE(A1:A3)) function to accomplish the task more efficiently.

The key difference between formulas and functions is that anyone can create a formula, whereas functions are predefined by Microsoft's programmers. Excel Formulas Excel's formulas enable you to ...

They can encapsulate their own function which is executed when needed. Pointers to member functions or arbitrary classes can be built up so they are all called through the same interface regardless of ...