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Re: Product and Summation sign

actuary at 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
Peter Breitfeld, Bad Saulgau, Germany --

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