Comodo Internet Security (CIS), developed by Comodo Group, is an Internet security suite for Microsoft Windows. It includes an antivirus program, a personal firewall, a sandbox and a host-based intrusion prevention system (HIPS) called Defense+.
A delta is a triangular deposit of sediment at the end of a river or stream.   Delta is the fourth letter in the Greek alphabet, it equates to the Roman D. A river delta is a triangular or D shaped area at the mouth of a river, such as the Mississiâ¦ppi Delta; check its appearance on a map.
Î means the change in, and Î´ means a small amount of. Delta is the fourth letter in the Greek alphabet. The capital letter Î corresponds to the English letter D, and the lowercase Î´ corresponds to the English letter d. In chemistry, Î means the change in. Thus, #ÎT# means the change in #T#, #ÎE# means the change in #E#, and so on.