# Java FX Montecarlo Simulation with MVC Pattern The circle number π (= 3, 14159265...) can be determined by placing the cursor inside a rectangle in the there's a circle, randomly generating points. Some are inside the circle, some outside. Pi can then be calculated by the ratio of the total number of points to the points within the circle. # Example ![](https://picr.eu/images/eLouJ.gif) - Thread support