The article discusses how to value American options with discrete dividend payments using numerical methods. American options can be exercised before maturity, so they are more complex to value than European options. The researchers used the finite difference method to solve the partial differential equation for option pricing. They focused on stock prices following a lognormal process and included dividend payments in their model. The results were graphically presented, showing option prices at different times to maturity. The study specifically looked at warrants from Malaysia to demonstrate the application of the Black-Scholes model for pricing options.