In this work provide alotof examples in different fields of chemical engineering and how to design accurate solutions by using MATLAB soft ware. Chapter 1 provides 24 examples to undergraduate students how to inter and use Matlab soft ware to solve the problems. Chapter 2 provides 3 examples in fluid flow includes different problems and how to solve these problems by programming. Chapter 3 provides 8 examples in heat transfer how to solve these problems by programming. Chapter 4 provides 22 examples in modeling, thermodynamic, material balance and chemical reaction design includes different problems with different applications and how to solve these problems by programming.