Simply extracting a post office box address from mysql database and automatically converting it into latitude and longitude. For example, a page listing the name of a location together with its post office box and a button 'Click here to get latitude/longitude'. Once the latitude and longitude are computed, it automatically updates that particular row.
If you are up to this simple task start your message by saying 'I understand your requirements". Additional work will be given to best and cheapest candidate. A sample of your work, with direct relevance to this code, must be included.