Excel's UNIQUE function is the modern, non-destructive answer to the mailing list problem. Instead of deleting rows from your ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

This example demonstrates how to use the Excel Export library to generate a simple spreadsheet document in code. After running this example, a console application creates an XLSX file and opens it in ...

Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...

Abstract: Empirical formulas are proposed for the superdirectivities of broadside linear and square arrays. The formulas are derived based on a large amount of numerical results of optimum directivity ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...