Erayada ka bilowda xarafka N ee Xisaabta
- Naiperian Logarithm: Logardamka Nabiir
- Natural Logarithm: Logardam Caadi ah
- Natural Numbers: Tirsiimo
- Nautical mile: Mayl badeed
- Necessary condition: Xaalad/Shuruud lagamamaarmaan
- Negate: Diidid
- Negation: Diidmo
- Negation of proportion: Diidmo howraareed
- Negative: Taban
- Negative angle: Xagal taban
- Negative direction: Jiho taban
- Negative sign: Calaamad taban
- Neighbourhood: Derisnimo
- Net: Saafi
- Normal: Ligane
- Normal line to a plane: Xarriiq ku ligan sallax
- Normal to a curve at a point: Ku ligane bar xoodeed
- Notation, scientific: Qormo saynis
- Null set: Urur madhan
- Number: Tiro
- Number, absolute: Tiro sugan
- Number, abundant: Tiro hodan ah
- Number, defective (deficient): Tiro dhimman
- Number line: Xarriiq tiro
- Number, perfect: Tiro buuxda
- Number, theory: Aragti tiro
- Numbers, irrational: Tirooyin lakab la’
- Numbers, rational: Tirooyin lakab
- Numbers, real: Tirooyin maangal ah
- Numbers, triangular: Tirooyin saddex xagal
- Numerals: Asto-tiro
- Numeration: Tirayn
- Numerator: Hooseeye
- Numerical analysis: Saafid tireed
- Numerical coefficient: Weheliye tireed