A custom function created using VBA to perform calculations or tasks not available in standard Excel functions.
Provalo con l'IAA User Defined Function (UDF) is a custom procedure written in Visual Basic for Applications (VBA) that acts like a native Excel function. Once defined in a module, it can be used directly in a cell by typing its name and providing the required arguments. This allows users to extend Excel's capabilities for complex or repetitive logic.
Creating a UDF named 'CalculateTax' that takes a price as an input and returns the price multiplied by a specific tax rate.
After writing the code in the VBA editor, you can call it in any cell by typing '=FunctionName()' just like a standard Excel function.