Higher mathematics probability teaching presentation device

The utility model provides a higher mathematics probability teaching presentation device, relates to teaching equipment technical field, and it includes that L type support frame demonstrates the chamber on, demonstrates chamber and motor down, and the presentation device who forms the hourglass form is connected to the top and the bottom in last demonstration chamber of demonstrating the chamber down demonstrates the chamber on, and demonstrate chamber intercommunication department under with and be equipped with the sphere and feed through the valve demonstrates the chamber top on, and is equipped with the upper end cover, is equipped with feed inlet and motor on the upper end cover, and the output shaft and the agitator shaft connection of motor are equipped with stirring vane on the (mixing) shaft, under demonstrate the chamber bottom and be equipped with the bottom end cover, demonstrate the intracavity down and be equipped with the demonstration platform, demonstration platform bottom is equipped with t