ButcherPlot
(Numerical Differential Equation Analysis Package Symbol) ButcherPlot[tree] gives a plot of tree.ButcherPlot[{tree_1, tree_2, ...}] gives an array of plots of tree_1, tree_2, ....
ButcherQuadratureConditions[p, s] gives the quadrature conditions up to and including order p for s stages. ButcherQuadratureConditions[p] gives the quadrature conditions in ...
ButcherRowConditions[p, s] gives the row-simplifying conditions up to and including order p for s stages. ButcherRowConditions[p] gives the row-simplifying conditions in ...
ButcherSimplify is an option to RungeKuttaOrderConditions that specifies whether to apply Butcher's row- and column-simplifying conditions.
ButcherTreeSimplify[p, \[Eta], \[Xi]] gives the set of trees through order p that are not reduced by Butcher's quadrature conditions through order p, row-simplifying ...
IonStage
(Resonance Absorption Lines Package Symbol) IonStage is the ionization level of the element producing resonance absorption lines.
LowerTermFineStructureEnergy[element] gives a list of {wavelength_v, energy} pairs, where wavelength_v is the wavelength in vacuum and energy is the energy of the ...
VacuumWavelength[element] gives a list of the wavelengths in vacuum of the resonance absorption lines produced by the specified element.VacuumWavelength[element, ionstage] ...
AvoirdupoisOunce is a unit of weight.
AvoirdupoisPound is a unit of weight.