Best Answer: A certified letter is sent by a person or a business when they want to mail important information and be sure that it was received. It's not usually a good thing. Collection agencies send them, people involved in legal cases send them, etc... certified letter is one where the post office ensures that the letter is only delivered to the person it was addressed to, and records his signature.
For other uses, see MS. A Master of Science degree (Latin: Magister Scientiae; abbreviated MS, MSc, MSci, ScM or SciM with or without punctuation) is a type of master's degree awarded by universities in many countries. The degree is usually contrasted with the Master of Arts degree.
A Master of Science (MSc) is a graduate degree that is normally awarded for studies in the sciences, engineering or medicine. Universities around the world offer MSc programs, which involve the completion of required coursework as well as research.seful Links. A Master of Science degree is a postgraduate degree, commonly referred to as MSc, MS, Mag. or M.Sci. A Master of Science degree is usually awarded after completion of coursework that is in a large degree research-based.