MUO on MSN

Learning REDUCE in Excel completely changed how I use spreadsheets

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...

8 Excel Features That Quickly Improve Your Work : Flash Fill, Paste Special & the Magic F4 Key

Learn Paste Special math, Flash Fill patterns, Go To Special filters, and the F4 shortcut to clean data fast and share Excel ...
Scientific American

How to Identify a Prime Number without a Computer

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

New Text to 911 service allows you to reach help without cell reception. Here's how it works

Text to 911 lets users contact emergency services from areas with no cell signal using satellite-enabled phones. Here's how ...
MUO on MSN

This tiny symbol in Excel changes everything (and most people ignore it)

The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...