Hello folks, Released under the Creative Commons Attribution-NonCommercial 4.0 International License http://creativecommons.org/licenses/by-nc/4.0/ Prealgebra via Python programming is available at: https://www.researchgate.net/publication/325473565 In case you find yourself in the mood to collaborate to improve the readability and/or enhance/enrich the content of the book, feel free to contact me at the above email address. Sergio -- Enhance your #MachineLearning and #BigData skills via #Python and #SciPy https://www.packtpub.com/big-data-and-business-intelligence/numerical-and-sc... https://www.packtpub.com/big-data-and-business-intelligence/learning-scipy-n... Python book en Castellano (distribución gratuita): https://www.researchgate.net/publication/301293668