e to the x, the number e, 10 to the x

and the LN key is . Type 3 and press : $\displaystyle e^{3}$ is 20.08553692. The number $\displaystyle e$ itself is available through the alphabetic shift and the Exp key. Type 1, press , , , and : 0.367879441. With , the LOG key is . Type 1.7 and press : 50.11872336.