Quadratic function topic board five characteristics:
1. intuitive operation, with teaching curriculum framework when most provinces!
Comparison and discussion 2. Integration of graphics, the most complete!
3. a quadratic equation free input means, to generate a corresponding pattern, the most convenient!
4. Flip chart function, with the point with use, simple operation!
The wall chart with solutions function to review the work fastest!
Give you a new different quadratic function of teaching experience.