Corrency Conversion

Hi All,

I have currency conversion problem. COuld you please suggest me the best way to do it.

From Currency: KRW
From Factor: 100
To currency: USD
To Factor: 1
Exchange Rate: 0.15555

There are table TCURR and TCURX. How to use these.

I tried using all the converion function modules, but failed. Could you please suggest me the code if any. or FMs how to use with example code Please