The Relative Strength Index is a calculation that measures oscillations in the value of a stock over a period of time. Published in 1978, the RSI was developed by technical analyst J. Welles Wilder Jr ...

For many, the INDEX-XMATCH combination in Excel is the go-to method for retrieving a value from a dataset. However, you can also use this dynamic duo to perform two-way lookups, returning a value at ...

Originally, Excel was not designed to be a real database. Its early database functions were limited in quantity and in quality. And because every record in an Excel database is visible on the screen ...

Tree diagrams use graphics to indicate the materials comprising a project or product and the relationships between those materials. A bill of materials, or BOM, performs the same function but with ...