opposite side
- nth derivative
- nth-order partial derivative
- nth root
- nth root of unity
- n-tuple
- null hypothesis
- nullity
- null matrix
- null measure
- null sequence
- null set
- null set
- null space
- Nullstellensatz
- null vector
- number
- number field
- number line
- Numberphile
- number systems
- number theory
- numeral
- numerator
- numerical analysis
- numerical differentiation