Euclidean norm
Equivalent to p = 2 in the family of p-norms.
- real
- real axis
- real function
- realism
- real line
- real number
- real part
- real projective plane
- real world
- rearrangement
- reciprocal
- rectangle
- rectangular
- rectangular distribution
- rectangular hyperbola
- rectangular number
- rectilinear motion
- recurrence relation
- recurrent
- recurring decimal
- recursion theory
- reduce
- reduced echelon form
- reduced set of residues
- reductio ad absurdum