New book Gentle Introduction To Chaotic Dynamical Systems, available here. See table of contents here. This folder contains:

• The Python scripts Brownian.py and brownian_reflective.py are used and described in chapter 1, available here. The title of this chapter is Random Walks, Brownian Motions, and Related Stochastic Processes.
• The spreadsheet chaos_BrownianFractional.xlsx and the Python scripts chaos_solveFunctional.py, chaos_2D_base.py, and basin.py, are used and described in chapter 2, available here. The title of this chapter is Introduction to Discrete Chaotic Dynamical Systems.
• lottery.py and related files deal with managing a syntheyic stock exchange. See related article on MLT, here.

The most recent version of these chapters is in the book.