Can someone explain me what does this symbols for intervals means:

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- March 29th 2006, 02:16 AMOReillyInterval symbols explanation
Can someone explain me what does this symbols for intervals means:

- March 29th 2006, 03:16 AMtopsquarkQuote:

Originally Posted by**OReilly**

Roughly speaking "(" or ")" means "does not include" and "[" or "]" means "includes."

-Dan