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Re: Product and Summation sign


actuary at mchsi.com schrieb:
> While a Mathematica user for some time,  use has been limited to number
> crunching and not symbolic manipulations.  I started to remedy this
> over the weekend.
>
> I entered Sum[x[i],{i,1,50}] expecting to see a response with Summation
> sign.  Instead the output was x[1}+x[2]+x[3]+.....
>
> What do I need to do to get output that includes the Summation sign?
> StandardForm was checked.

Sum[x[i],{i,1,50}] // HoldForm

Gruss Peter
-- 
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Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de


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