Billy Barr has braved the fourth season deep in the Rocky Mountains for more than 50 years, amassing tons of climate data.

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with confidence.

FORECAST.ETS applies an exponential triple smoothing (ETS) algorithm to create forecasts that can include trend and seasonal ...

Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Andy Smith is ...

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An incomplete implementation of the DL/T645 protocol designed to communicate with energy meters through an infrared interface. There was an error while loading ...