Warren Buffett's famous quote about being "approximately right" reveals why obsessing over precise forecasts and complex models often leads investors astray—and what to do instead.

Abstract: Precision manipulation, or moving small objects in the fingertips, is important for daily tasks such as writing and key insertion, as well as medically relevant tasks such as scalpel cuts ...

Abstract: Industries and individuals outsource database to realize convenient and low-cost applications and services. In order to provide sufficient functionality for SQL queries, many secure database ...