What is another word for numeric complement?
Pronunciation: [njuːmˈɛɹɪk kˈɒmplɪmənt] (IPA) 
Numeric complement refers to the value that should be added to a number to make it equal to a specific whole number. Some of the synonyms for numeric complement include additive inverse, opposite, negative value, and reciprocal. The additive inverse is the opposite of a number, such that when the two numbers are added, the sum is equal to zero. The opposite is the number that is located on the opposite side of the number line. The negative value is the value obtained by multiplying the original number by negative one. The reciprocal is the value obtained by dividing one by the original number. Overall, these terms are all used to describe the same concept of finding the value needed to complete a number.
