
Calculus  A method of calculation. One of several highly systematic methods of treating nproblems by a special system of algebraic notations. 

Circle  a curved line with every point equal distance from the center 

Circumference  The length of the outer boundary of a circle. Example: Circumference=Pi*Diameter. 

Compass  An instrument used for drawing circles, describing circles, or measuring distances. Consists of two hinged, movable legs. 

Complementary Angle  Either of two angles that when added together produce an angle of 90 degrees. 

Composite Number  any integer that can be divided by another number evenly except by itself and 1 Example: "21, 24, 9, 10" 

Congruent  equal; equal angles are described to be this 

Coordinate Axis  two perpendicular lines intersecting to form four quadrants 

Counting Number  * see natural number Example: "1,2,3,4..." 

Cubic Centimeter (cm³)  A metric unit of volume; the volume of a cube 1 centimeter on a side. 1 cubic centimeter is equal to 1 milliliter.
