ARITHMETIC GLOSSARY
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Title  Description  

Cardinal Number  The number of objects or elements within a set is the Cardinal Number of the set.  
Clockwise  Rotation in the same direction as the hands of a traditional clock.  
Coinage  Coinage is the system of metal coins used in a national monetary system. Coinage is also the actual coins used, as pennies, nickels, dimes, and quarters in the United States. 

Commutative Law of Addition  When adding terms the order in which we add them matters not at all.  
Commutative Law of Multiplication  The order in which we multiply any number of factors (to obtain the product of those factors) matters not at all.  
Complement of an Event  The complement of an event pertains to probability. If the probability of an event is x, then the probability of the complement of that event is 100 percent minus x. 

Composite Number  Composite Numbers relate to positive integers that are not prime. If a positive integer has factors other than itself and one, it is a Composite Number. 

Computation  Computation is the act of taking values and logical mathematical steps to make a calculation.  
Countable  In common language, countable just means reasonably enumerated or countable, as in there are not too many objects to physically count. In human terms, the grains of sand in the Sahara Desert are not countable. But mathematically they actually are. So Countable means something a little different to the mathematicians. 

Counterclockwise  For angles in standard position, we use a Counterclockwise rotation for positive measurement of the angle's rotation. This is the direction opposite the traditional movement of analog clock hands. 

Counting Numbers  The set of Counting Numbers is (usually) identical to the set of Natural Numbers, the positive integers that we begin to count with when we're little kids. Watch out, however: some people include zero in this set. 

Cube  A sixsided orthogonal box with square faces; a right square parallelepiped. The result of raising a real value to its third power. The process of multiplying a number times itself and times itself again. 

Cube Root  The Cube Root of a real value is the number that when raised to the third power equates to the original real value.  
Currency  Currency is the system of money in a national economic system. Currency is also the actual paper money or bills used in that system. United States uses currency with denominations of one, two, five, ten, twenty, fifty and one hundred dollars. 
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