Underlined represents an underlined font.
$PerformanceGoal gives the default setting for the option PerformanceGoal for graphics and other algorithmic functions.
SinIntegral[z] gives the sine integral function Si(z).
FindRoot[f, {x, x_0}] searches for a numerical root of f, starting from the point x = x_0.FindRoot[lhs == rhs, {x, x_0}] searches for a numerical solution to the equation lhs ...
Button
(Built-in Mathematica Symbol) Button[label, action] represents a button that is labeled with label, and evaluates action whenever it is clicked.
SparseArray[{pos_1 -> val_1, pos_2 -> val_2, ...}] yields a sparse array in which values val_i appear at positions pos_i. SparseArray[{pos_1, pos_2, ...} -> {val_1, val_2, ...
MaxwellDistribution[\[Sigma]] represents a Maxwell distribution with scale parameter \[Sigma].
ColumnLabels is an option for StemLeafPlot which specifies the labels for columns.
JacobiCN[u, m] gives the Jacobi elliptic function cn(u | m).
InverseGammaRegularized[a, s] gives the inverse of the regularized incomplete gamma function.