0
votes
2answers
124 views

Pronunciation of OS X versions [closed]

I don't feel like this belongs on SU, so I put it here. I know that "OS X" is pronounced "oh-ess ten," but how should the common construction "OS X 10.9" be pronounced? The primary possibility I can ...
29
votes
8answers
27k views

Plurals of acronyms, letters, numbers — use an apostrophe or not?

When I was in high school back in the 1970s, I was taught that to make a plural of an acronym, a letter, or a number, one should add an apostrophe and "s". Like I would have written this sentence, ...
5
votes
3answers
4k views

Is an apostrophe with a decade (e.g. 1920’s) generally considered “incorrect”?

I typically don’t use an apostrophe with plurals in any situation, but I always assumed that the use of an apostrophe in constructions like acronyms: Forty BA’s were given out to students this ...