1) All posts must be in English. Please avoid using SMS language. 2) No repeat problems. Please check the previous threads before posting a problem. 3) Please make your problems and subject titles informative and concise. 4) Spammers will be banned on the spot. Other grounds for instant banning include religion, philosophy, and porn. 5) Feel free to post homework questions. 6) Offensive language/behaviour towards others will not be tolerated. 7) Google first before asking a question. 8) No trolling!