Kalmar "logarithmic" sifa ce da aka saba amfani da ita don kwatanta aikin lissafi ko dangantaka da ta ƙunshi logarithms. Logarithm wani aiki ne na lissafi da ake amfani da shi don tantance ƙarfin da dole ne a ɗaga wani lamba (wanda aka sani da tushe) don samar da ƙimar da aka bayar.A cikin mahallin lissafi, aikin logarithmic shine wanda a cikinsa madaidaicin mai zaman kansa ya bayyana a cikin ma'anar, kuma madaidaicin madaidaicin shine logarithm na wasu adadi. Misali, aikin y = log(x) aiki ne na logarithmic wanda darajar y ke wakiltar logarithm (tare da tushe 10, ta tsohuwa) na darajar x.Gaba ɗaya, kalmar. "logarithmic" yana nufin duk wani abu da ke da alaƙa da logarithms ko nuna abubuwan logarithmic, kamar girman girman wasu abubuwan mamaki. Hakanan yana iya komawa ga amfani da logarithms a cikin lissafi ko aunawa.