Analytic Geometry reshe ne na lissafin lissafi wanda ya haɗa algebra da geometry. Ya ƙunshi nazarin siffofi na geometric ta amfani da ka'idodin algebra da amfani da ma'auni na algebra don wakiltar adadi na geometric. A cikin lissafi na nazari, ana wakilta siffofi na geometric azaman saitin maki tare da daidaitawa, kuma ana amfani da ma'auni don bayyana kaddarorinsu da alaƙar su. Wannan tsarin yana ba da damar yin nazari na ƙididdiga na ƙididdiga na geometric daidai kuma ana amfani da shi sosai a fagage da yawa, gami da kimiyyar lissafi, injiniyanci, da zane-zane na kwamfuta.