Specifies an N-ary mathematical object, such as Summation and Integral. It consists of an operator, a base (or operand), and optional upper and lower limits. Examples of N-ary operators are: Summation, Union, Intersection, Integral...Places this element in a border-box virtual System::SharedPtr < IMathBorderBox...Places this element in a border-box virtual System::SharedPtr < IMathBox...