Different types of Functions in IP.....

Hi Experts,

iam using IP, and i need to know more about functions,

1) distribution by ref. data

2) dis. by keys

3) repost

4) revaluation

5) delete.

6) forecast

7) generate combination.

8) currency translation

9) delete Invalid combinations

10) repost on basis of char. relationship.

11) unit conversion

Please if any one can tell me about the use of these functions with an Example that should be really really great of them

Thanks In Advance

POINTS ARE ASSURED

Cheers!!