Downloaded software libraries are for personal or research use only, and are not to be sold in any way or included in any commercial package. This code is provided as is, without any guarantees of support or being without bugs. Use at your own discretion.

Rigid Body Kinematics:	Matlab (Nov. 29, 2013) Mathematica (Feb. 26, 2015) ANSI-C (July 3, 2014) Python (Nov. 29, 2013)
Orbital Motion:	Mathematica (Oct. 9, 2020) ANSI-C (Oct. 9, 2020) Python (Oct. 9, 2020)
Vector Math:	ANSI-C (Nov. 29, 2013)
Manuals:	Git-Book