Nọ́mbà tíkòsí

Ninu imo Mathematiki, nọ́mbà tíkòsí (imaginary number) ni a mo si nomba tosoro ti alagbarameji (square) re je nomba gidi alapaosi. Rafael Bombelli ni o se itumo won ni odun 1572. Laye igbana ko seni to gba pe awon nomba ba hun wa, gege bi won se ro pe odo ati nomba apaosi ko si tabi ko wulo. Descartes ni o koko pe won be ninu iwe re isiro alawonile (La Geometrie]] lati fi re won sile

Àwọn nọ́mbà nínú ìmọ̀ mathematiki
Basic
$\mathbb {N} \subset \mathbb {Z} \subset \mathbb {Q} \subset \mathbb {R} \subset \mathbb {C}$ Nọ́mbà àdábáyé $\mathbb {N}$ Nọ́mbà alòdì Nọ́mbà odidi $\mathbb {Z}$ Nọ́mbà oníìpín $\mathbb {Q}$ Nọ́mbà aláìníìpín Nọ́mbà gidi $\mathbb {R}$ Nọ́mbà tíkòsí $\mathbb {I}$ Nọ́mbà tóṣòro $\mathbb {C}$ Nomba aljebra $\mathbb {A}$ Nọ́mbà tíkòlónkà
Complex extensions
Quaternions $\mathbb {H}$ Octonions $\mathbb {O}$ Sedenions $\mathbb {S}$ Cayley-Dickson construction Split-complex numbers $\mathbb {R} ^{1,1}$ Bicomplex numbers Biquaternions Coquaternions Tessarines Hypercomplex numbers
Other extensions
Musean hypernumbers Superreal numbers Hyperreal numbers Surreal numbers Dual numbers Transfinite numbers
Other
Nominal numbers Serial numbers Ordinal numbers Cardinal numbers Nomba akoko p-adic numbers Constructible numbers Computable numbers Integer sequences Mathematical constants Large numbers π = 3.141592654… e = 2.718281828… i (Imaginary unit) $i^{2}=-1$ ∞ (infinity)