An egg carton displaying a sell by date and other numbers printed on the side - JollyPopLA/Shutterstock Somewhere beside or below the expiration date, you'll see a three-digit code that spans anywhere ...

If you’ve ever walked out of an eye exam clutching a fresh prescription, wondering what all those numbers and abbreviations mean, you’re not alone. Eye prescriptions often look like a jumble of pluses ...

Tape measures typically consist of a long flexible steel blade (the tape) coiled inside a plastic or metal case with a spring mechanism to retract the tape after being extended. While the markings can ...