Dates for networking

A formula I put in a spreadsheet failed to take weekends into account (we want to count work days, not all days). So, now I've found out about Excel's NETWORKDAYS function. And after 15 mins puzzling over the name and wondering what it has to do with networking, I've finally figured it out:

I was reading it as NETWORK_DAYS, but should have read it as NET_WORK_DAYS...

Tags: work