"Geomancy" is derived from the Latin "geomantia," which in turn is derived from the Greek for "divination by earth." The Arabic name for geomancy, "'ilm al-raml," means "the science of the sand." In ...

Excel's randomization functions generate values, shuffle datasets, and simulate timelines using simple formulas.

Katharine Beer is a writer, editor, and archivist based in New York. She has a broad range of experience in research and writing, having covered subjects as diverse as the history of New York City's ...