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what does the exclamation mark on the calculator mean?

 Dec 7, 2014

Best Answer 

 #3
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Example: 4! = 4 × 3 × 2 × 1 = 24

 Dec 7, 2014
 #1
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It is used for factorials.

 Dec 7, 2014
 #2
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what is a factorial?

 Dec 7, 2014
 #3
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Best Answer

Example: 4! = 4 × 3 × 2 × 1 = 24

Guest Dec 7, 2014

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