[Tutor] something about sum, integer and delta function

Lie Ryan lie.1296 at gmail.com
Tue Jan 17 03:25:16 CET 2012

On 01/16/2012 12:57 AM, lina wrote:
> Hi,
> are there some modules can be used to do below things like:
> sum and delta function, and intergeration.

Are you trying to graphically render an equation, calculate the results 
of equation, or algebraically manipulate the equation?

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