🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaРусскийالعربية한국어中文日本語EntityQ762521· pop 19· linked from 151 articleslogarithmic derivativeratio of a function's derivative to the function; d(ln|f(x)|)/dxAvailable in 19 languagesEspañolFrançaisDeutsch日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaBulgarianConnectionsreal numberEntitycalculusEntityCategoriesComplex analysisDifferential calculus