The right way to run an internet speed test (and how I use the results for better Wi-Fi)

After a decade testing PCs, routers, and home networks, I've seen what really causes slow speeds, and I can help you optimize your connection.
MrExcel on MSN

Excel Tricks: Sum Data Across Sheets With Misaligned Rows

Learn how to sum data across multiple Excel worksheets, whether rows are perfectly aligned or not. Save time and avoid errors ...
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 ...

How number systems shape our thinking, and what this means for learning, language and culture

Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't be said when we're asked how many minutes are in 2.4 hours (it's 144).