Please show me how to enter this into scientific calculator

the equation is 30*0.6637 - 29*0.6223*e^(-0.05*0.137) and the answer is 1.99

i don't know how to enter the e^(-0.05*0.137) part. please show me detailed steps. my scientific calculator is fx-991w (google it if necessary)

thanks

You really ought to start to understand how to enter functions, parenthesis, negatives (+/-) first.

Have you considered going through the manual? It only takes 30 min.

http://support.casio.com/pdf/004/fx115W_991W_E.pdf