AllPoints is an option to ConvexHull that specifies whether all distinct points on the hull or only the minimum set of points needed to define the hull are returned.

IdealDivide[x, y] gives the correctly rounded result of x divided by y involving a single rounding error.

MachineError[f, x -> a] gives the error involved in evaluating f at x = a using machine arithmetic.

Truncation is a setting for the option RoundingRule of SetArithmetic that specifies rounding by discarding excess digits.

BesselSimplify[expr] transforms Bessel functions in expr, trying to either decrease the number of Bessel functions, or convert Bessel functions into more elementary functions.

FromPackedArray[expr] unpacks expr so that its internal representation is not a packed array.

NotebookConvert["name"] converts a Mathematica notebook from a previous version of Mathematica to one for the current version.

TrigToRadicals[expr] converts trigonometric functions to radicals whenever possible in expr.

CompileEvaluate[expr] compiles expr and then evaluates the resulting compiled code.

ImpliesQ[expr_1, expr_2] tests whether the expression expr_1 implies expr_2.