What are rules for difference in usage "por or para?"

Question

What are the rules for difference in usage of "por o para?"

Answer 1

There is a killer php program online for drilling the correct usage of para vs por.

http://www.spanishnewyork.com/automatic/porpara.php

Answer 2

Here you are: link text

Answer 3

Hello, Eastside.

That's a pretty broad question. For the plain general meaning of either word, of course you can use the SpanishDict dictionary.

For specific uses, if you have a doubt, you should provide some context that shows what your confusion is, so that we can help you clarify.

Cheers!