The first chapter is the concept of set and function.

1. 1 set, in which the number of elements.

1.2 function and its representation, the development of function concept.

The basic properties of 1.3 function, the application of information technology, and the drawing of function images by computer.

Chapter II Basic Elementary Functions

2. 1 exponential function, the application of information technology, exploring the properties of exponential function with information technology.

2.2 logarithmic function, the invention of logarithm, and the exploration also found the relationship between two function images which are inverse functions.

2.3 power function.

Chapter III Functional Application

3. 1 functions and equations, solving equations in Chinese and foreign history, application of information technology, with the help of approximate solutions of information technology equations.

3.2 Function model and its application, information technology application, data collection and function model establishment.