Introduction - If you have any usage issues, please Google them yourself
Excel s powerful functions functions, brought us a great convenience, though it has more than 200 functions, but sometimes we have a requirement for the realization of functions, may use several functions or to use nested functions, so the application together, is not very convenient. In fact, we often used for functions, we can create a custom function UDF (User-defined function), its operation and Excel built-in function in exactly the same. The establishment of self-defined function has the following advantages: the establishment of its own special features and the name of the function can be complex, nested, a number of original function together, and play a greater power.