$LicenseExpirationDate is a date list that gives the expiration date for the license under which Mathematica is being run.
ColumnWidths is an option for the low-level function GridBox which specifies the widths to use for columns.
EvaluationNotebook[] gives the notebook in which this function is being evaluated.
Triangle is a type of waveform.
RGFToSetPartition[rgf, set] converts the restricted growth function rgf into the corresponding set partition of set.
SetPartitionToRGF[sp, set] converts the set partition sp of set into the corresponding restricted growth function.
Mathematica options starts the full Mathematica system including notebook interface on Windows and Mac.
A linear second-order ordinary differential equation is said to be exact if An exact linear second-order ODE is solved by reduction to a linear first-order ODE.
ImplementJavaInterface[interfaces, mappings] uses the Dynamic Proxy facility of Java to create a new Java class and return an object of that class that implements the named ...
EquationTrekkerState[{eqns, dvars, {t, t_min, t_max}}, params, treks, opts] is the data object returned by the function EquationTrekker, that contains the information needed ...