Definition:Canonical


 * Numbers:
 * Canonical Form of Rational Number


 * Algebra:
 * Canonical Form of Quadratic Equation


 * Continued fractions:
 * Continued Fraction in Canonical Form


 * Abstract algebra:
 * Canonical Injection


 * Matrix algebra:
 * Canonical Form of Matrix


 * Computer science, and mathematics in general:
 * Canonical Form

Also see

 * Definition:Natural