long double x, mu, beta
prompt "What is x?"->x
prompt "What is mu?"->mu
prompt "What is beta?"->beta
long double answer, stepa, stepb
stepa=x-mu
stepb=stepa/beta
stepa=-1*stepb
stepb=power(e,stepa)
stepa=-1*stepb
answer=power(e,stepa)
disp answer