The prefix of the word exchange is ex.
Both are correct. Boy's Club refers to the club of a boy.Boys' Club refers to the club of boys.
Noun: -An act of exchanging or trading. "All in all, it was an even exchange." -A place for conducting trading. "The stock exchange is open for trading." Verb: -To trade or barter. "I'll gladly exchange my place for yours." -To replace with a similar item. "I'd like to exchange this shirt for one in a larger size."
PDF means Portable Document Format.Portable Document Format (PDF) is a file format created by Adobe Systems in 1993 for document exchange.
They had a voluntary exchange on the apartment.
Stock Exchange Luncheon Club was created in 1898.
Stock Exchange Rifle Club was created in 1901.
Stock Exchange Luncheon Club ended in 2006.
Design Exchange was created in 1994.
Debt Exchange was created in 1999.
The Rhinemann Exchange was created in 1974.
Brewers Exchange was created in 1896.
Palestine Exchange was created in 1995.
Egyptian Exchange was created in 1883.
The Program Exchange was created in 1973.
Divine Exchange was created in 2002.
Exchange ActiveSync was created in 2002.