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# Sigma

This page computes a finite or infinite sum over the index n. This sum can be a numerical or symbolic (for example a power series).

The menu of this page is in simple mode. Go to expert mode for more choices.

To a sum, enter first the expression of its general term: ( Examples )

f (n) =

Then choose the type of the sum to compute.

• Infinite series, for n starting with .
• Finite sum, for n running through integers from to ,
Numerical precision: digits.

The menu of this page is in simple mode. Go to expert mode for more choices.

In order to access WIMS services, you need a browser supporting forms. In order to test the browser you are using, please type the word wims here: and press Enter''.