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HP Forum Archive 15

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HP38G
Message #1 Posted by Jey on 11 Aug 2005, 4:27 a.m.

Hai everyone a Im new in this forum so i would like to post(hopefull not stupid) quieston. Is there a possibility of tiping in the "Pi" as a function, as we do so with Sigma ? i mean if there is a sigma u can type it in the Calculator as E(C=1,5,X^2) is there a way to do so with multiplications using the TT (Pi) symbol ?

      
Re: HP38G
Message #2 Posted by Marcus von Cube, Germany on 12 Aug 2005, 3:28 a.m.,
in response to message #1 by Jey

If you don't find it, you can use logarithms and exponentials to do the same:

PROD xk=eSUM ln xk


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