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What is the motivation for people to answer questions in Mathematics StackExchange?

why do Professors and people with exceptional knowledge in the field come here and answer people's question for free?

I don't think its the reputation points that motivated a majority of them.

I would love to hear personal answers too.


marked as duplicate by user147263 Oct 28 '15 at 17:11

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  • 4
    $\begingroup$ Other than that: procrastination. But, now, I will actually do something else. Maybe. $\endgroup$ – quid Oct 28 '15 at 16:01
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    $\begingroup$ I used to waste time playing a game and watching imaginary points go up. Now I waste time helping people with math and watching points go up. It's the points! But this has actually consumed far more time than the game and has been more disruptive to my life. The worst part is I've gotten back into research even though I have a real job and it gains me nothing but knowledge, unless I finally do solve Schubert calculus... $\endgroup$ – Matt Samuel Oct 29 '15 at 8:29
  • $\begingroup$ I feel bad for you man. That's why mathematicians are always poor. outsider don't understands $\endgroup$ – More water plz Oct 29 '15 at 14:47

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