This document discusses computer simulations and blended learning. It defines a computer simulation as a program that models an abstract system to study it. Computer simulations can be classified as stochastic/deterministic, steady state/dynamic, etc. They are used in fields like ecology, drug discovery, and modeling viral infections. The document also defines blended learning as a formal education program combining online and in-person learning. Blended learning has benefits like improved achievement and attitudes, but also challenges like dependence on technology and lack of motivation.