If you need to find a particular value in an Excel sheet, the quickest way is to use a lookup formula. The most popular functions to use in these formulas are VLOOKUP and HLOOKUP, which search across ...

Xcel Energy rallies after saying it reached settlement agreements totaling $640 million that resolve all litigation related ...

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.

Wall Street has always thrived on secrets. But every so often, a breakthrough comes along that threatens to level the playing field. Next week, our colleagues at TradeSmith will unveil one of those ...