Date	Author	Log	Options	Exposure
2014-05-28	Randall Britten	Added HTML for exposure.	[files][create_exposure]	Linear 2nd order nonhomogeneous ODE with constant coefficients
2014-05-28	Randall Britten	Linear second order ODE with constant coefficients and "right hand side" term. See https://en.wikipedia.org/wiki/Linear_differential_equation#Nonhomogeneous_equation_with_constant_coefficients	[files][create_exposure]