ButcherOrder
(Numerical Differential Equation Analysis Package Symbol) ButcherOrder[tree] gives the number of vertices in tree.
ButcherTreeCount[p] gives a list of the number of trees through order p.
ButcherTreeQ
(Numerical Differential Equation Analysis Package Symbol) ButcherTreeQ[tree] gives True if tree is a valid Butcher tree, and False otherwise.
ButcherTrees
(Numerical Differential Equation Analysis Package Symbol) ButcherTrees[p] gives a list, partitioned by order, of the trees for any Runge\[Dash]Kutta method of order p.
ButcherWidth
(Numerical Differential Equation Analysis Package Symbol) ButcherWidth[tree] gives the width of tree.
AgeOfUniverse is the age of the universe, a physical constant.
BohrRadius is the Bohr radius, an atomic constant.
ClassicalElectronRadius is the classical electron radius, an atomic constant.
CosmicBackgroundTemperature is the temperature of the cosmic background radiation.
DeuteronMagneticMoment is the deuteron magnetic moment.