Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.
This project is a port of the excel-formula library to ES6. It contains a set of functions that can be used to pretty print Excel formulas and convert them into JavaScript, C# or Python code.
Unlike SUM, which ignores filters, SUBTOTAL dynamically adjusts to display only visible data. It offers 11 built-in functions, with additional options (101-111) that account for hidden rows. When ...