Old phone numbers in the U.S. had letters to denote the telephone exchange that handled any given number, a practice that lasted until the late 1970s.

You can usually find your Vehicle Identification Number behind a lower corner or edge of your windshield, although regulation codes and approval numbers are stamped on the glass. For example ...

opinion Letters to the Editor. Letters to the Editor — The increasing number of measles cases alarms many readers Readers share their opinions on vaccines, especially in light of the measles ...

Summer evokes swimming at the pool, playing sports, having picnics. Bikes and balls and the great outdoors. For kids living ...

The ancient Greeks were incredibly talented mathematicians—but they rarely used numbers in their math. Their particular specialty, geometry, dances around actual quantities, focusing on higher ...

An M with a small letter or set of letters above it stood for tens of thousands and higher. (Confusingly, in this instance the M represented the Greek ancestor of “myriad,” not the number 40.) ...

A recent letter from a company that works “with many doctors, health insurance plans, and other health companies” informed me that “a cybercriminal was able to see and take copies ...

Letter to the editor: Run those numbers again ... Those kinds of numbers, coupled with accurate inflation adjustments, should make it imperative to push forward President Trump’s agenda.

E ver wondered what the series of numbers and letters on your car's windshield means? These markings or codes that are either etched, printed, or affixed to your windshield on a label are not random.

Firearm deaths. Maternal mortality. GDP. California bashers in red states think they're in better shape than we are, but the data don't lie.

LETTERS POLICY. We welcome letters of 275 words or fewer. Letters are subject to editing for length, clarity and grammar. They should be concise, to the point and original — no form letters, please.

Jonathan Allum (Letters, September 17) bemoans the fact it is now acceptable for people to say they “can’t do maths”.He also extols the subject’s virtues, including the use of prime ...