Origin -- from the MathWorld Classroom

Origin -- from the MathWorld Classroom

The origin is the point with all-zero coordinates in Cartesian coordinates, or the central point in polar coordinates.

Origin is a middle school-level concept.

Classroom Articles on Pre-Algebra (Up to Middle School Level)

	Absolute Value	Least Common Multiple
	Arithmetic	Line
	Arithmetic Series	Polynomial
	Associative	Power
	Base	Prime Factor
	Cartesian Coordinates	Prime Factorization
	Commutative	Prime Number
	Decimal Expansion	Pythagorean Theorem
	Distributive	Quotient
	Divisor	Real Line
	Equal	Real Number
	Factorial	Relatively Prime
	Fraction	Right Angle
	Function Graph	Rounding
	Geometric Series	Sequence
	Greatest Common Divisor	Series
	Integer	Set
	Intersection	Square Number
	Interval	Square Root
	Irrational Number