"Ho̍k-cha̍p-sò͘" pán-pún chi-kan bô-kāng--ê tē-hng

[[imageFile:complex.png|thumb|256px|[[Ho̍k-cha̍p-sò͘]] ''x'' + ''i'' ''y'' ē-tàng ēng [[ho̍k-cha̍p-sò͘ pêⁿ-bīn]] lâi piáu-sī.]]

Tī [[sò͘-ha̍k]], '''ho̍k-cha̍p-sò͘''' (complex number) sī 1 ê seⁿ chò <math> a + bi \,</math> chit hō hêng ê [[sò͘-ba̍k]], lāi-té ê ''a'' ham ''b'' sī [[si̍t-sò͘]], ''i'' sī [[hi-sò͘]] (imaginary number) ê [[hi-sò͘ tan-ūi-goân]] (imaginary unit), ū ''i'' ² = &minus;1−1 ê sèng-chit. Si̍t-sò͘ ''a'' sī ho̍k-cha̍p-sò͘ ê ''[[si̍t-pō͘]]'' (real part), si̍t-sò͘ ''b'' sī ''[[hi-pō͘]]'' (imaginary part). Hi-pō͘ ''b'' nā sī 0, ho̍k-cha̍p-sò͘ tō pìⁿ-chiâⁿ si̍t-sò͘ ''a'' niā-niā.

[[yo:Nọ́mbà tóṣòroaṣòro]]