# About this edition This is an "ERPS" edition of SamsPy - Simple aerospace models in Py. The original is located at https://github.com/kwan0xfff/SamsPy The objective of this edition will be to focus on needs more closely related to ERPS. Broader SamsPy development continues on the Github version. ## Recommended Python version The recommended minimum Python version is 3.5. Among the interesting features added in 3.5: * type hints - annotation that supports code correctness. * "@" infix operator - intended for use with matrix multiplication. ## Software license Like the version on Github, this edition is licensed under Apache 2.0. This is to allow code to flow from one to the other without legal encumbrance.