Advanced Gann Fan - for accurate key levels! AGF script calculates the exact level based on the original Gann's theory and draw unlimited lines (levels). One of the most important things in trading is strong and accurate key levels. AGF script, after practicing in draw it correctly, will draw you strong and accurate key levels (on all time frames), that will help you to know where is a good place to enter and put an order. It is important to combine your strategy decision with AGF script levels