Black-Scholes-Merton model calculation

Do we need to memorize the BS model? The only LOS(s) that tackle the model are: Explain the assumptions underlying the Black-Scholes-Merton model and their limitations. Explain how an option price, as represented by the Black-Scholes-Merton model, is affected by each of the input values (the option Greeks). should we be concerned with the calculation?

no calculations, only understanding.