EntityQ2001982· pop 12· linked from 51 articlesnotationSign in to savesystem of symbols to represent facts or quantitiesConnectionsAresti CatalogEntitymathematicsEntitylanguageEntitybiologyEntityphysicsEntitymusicEntitychemistryEntityeconomicsEntitylinguisticsEntityalphabetEntityInternational Phonetic AlphabetEntityquantum mechanicsEntityInternational Standard Book NumberEntitywriting systemEntitybusinessEntityset theoryEntityphonemeEntitycomputer programmingEntitycalculusEntitysetEntityCategoriesModeling languagesNotationWritten communication