LaTeX, sī chi̍t khoán bûn-kiāⁿ chún-pī hē-thóng (document preparation system), sī pâi-pán thêng-sek gí-giân TeX--ê kū-chi̍p (macro), hō-miâ sī tùi Lamport TeX ê kán-lio̍k. LaTeX sī ēng sûn-bûn-pún (plain text) ê hêng-sek siá-chok, lī-ēng markup piau-chhiam lâi chí-tēng bûn-kiāⁿ ê kò͘-chō kap bûn-jī iūⁿ-sek, keng-kòe têng-sek chhù-lí sán-seng chhiūⁿ PDF ia̍h DVI téng ìn-soat ia̍h liû-thong ê pán-pún. Tī ha̍k-su̍t lūn-pûn khah tiāⁿ-tiāⁿ sú-iōng.

En̄g LaTeX siá--ê lâm-koán kong-chhe-phó͘ (工尺譜)