Working with Expression Builder - including examples

1)       When you are working with a new expression it may be easier to use a temporary work flow, this will allow you to make changes on the fly and see the results instantly. Changes to work flows are realtime and do not require you to log out and back in. You can then create one record to test with. After creating the temporary work flow update the test record, if the desired results are not acheived then update the work flow and edit the test record again. Once you have the desired expression you can disable or remove the work