prime (symbol)

This article is about the prime symbol. For the prime numbers, see prime number.The prime symbol ( ′ ), double prime symbol ( ″ ), triple prime symbol ( ‴ ) etc. are used to designate several different units, and for various other purposes in  mathematics, the sciences and linguistics. The prime symbol should not be confused with the apostrophe, single quotation mark or acute accent; the double prime should not be confused with the double quotation mark.
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