Calculator troubles

Could someone please talk me through what buttons I need to press on my Texas Instuments calculator to get the answer below? First time i’ve used my calculator since level 1 and completely forgotten everything and seem to have misplaced the manual…

*edit - it appears the image does not show. Essentially i’m looking how to use the 'e to the power of x button) when there is multiplication in the power.

get the number you need on screen before hitting e to the x.

i.e., if you needed to do e^(.5*.15) you would push





[e to x]

How have you been preparing without the use of a financial calculator?