CMP NANA is a term commonly used in the field of computer hardware. The correct spelling of this word is /siː ɛm pi nɑːnɑː/. The abbreviation CMP stands for "compare". NANA is an acronym for "not a number". The word refers to a value used in computer science to represent values that cannot be computed, such as division by zero or infinity. The correct spelling of CMP NANA can help professionals in the field avoid confusion and ensure accurate communication.