e zuwa ƙarfi, da logarithm na halitta

$\displaystyle e^{x}$ shi ne rubutun rawaya da ke saman maɓallin ln. A wannan misali, ku nemi muhimman lambobi 3: ku danna , , don Sci, da . Ku lissafta $\displaystyle e^{5}\times 2$. Ku danna da , ku rubuta ƙarfin 5. Ku danna don fita daga ƙarfin, sai , ku rubuta 2, sai : 2.97×10|^:2, wato 297. Logarithm na halitta shi ne maɓallin ln kansa: ku danna , ku rubuta 90, , da : 4.50×10|^:0, wato 4.50. Sai ku koma tsarin lamba na al'ada: ku danna , , , da .

▶ Ku kalli wannan mataki a cikin bidiyon (31:34)