Ububanzi bemisebenzi (2 kwezi-3)
Nanka amalogarithimu, amandla nezimpande, ifektoriyali, namaphemutheshini namakhombineshini. Isibonelo, ilogarithimu idinga inombolo ephozithivu, kanti ifektoriyali isebenza ezinombolweni eziphelele kusuka ku-0 kuya ku-69.