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If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

When Andrew Grigolyunovich first started using Excel more than two decades ago, he never imagined the spreadsheet program would land him in Las Vegas or on ESPN.   The Latvian financial consultant ...

Fall foliage is a complicated thing. There’s not one plant gene that controls the entire process. Here's what to know about weather's impact on color.

Kenneth Harris, a NASA veteran who worked on the James Webb Space Telescope, shares how hardware and software engineering combine to make the $13 billion observatory function. He explains how the ...

James has been writing about technology for years but has loved it since the early 90s. While his main areas of expertise are maker tools -- 3D printers, vinyl cutters, paper printers, and laser ...