Hello Members, I used to be a regular poster on Gareth's forum prior to this one back in about 2009. Gareth did send me an email advising he was changing the forum over to this one and I kept a record on my old laptop. What then happened was my laptop became overloaded and stopped working correctly so I bought another and from there the rest is history, however I'm back. I used to help the students a lot back in the day with their mathematical problems, but that was a long time ago, maybe it might blow a little dust of the brain cells these days. I look forward to talking to you all again thank you.