## Bigger Sum

I am trying to learn how to use the AMSMATH package. Can anyone tell me how to change the size of $$\sum$$ to make it bigger?
thanks

 Quote by skook I am trying to learn how to use the AMSMATH package. Can anyone tell me how to change the size of $$\sum$$ to make it bigger? thanks
In a TeX file, write $\displaystyle \sum$ rather than $\sum$. This will give you the difference between the following two:

$\sum$

$$\sum$$