Mathematical White Square Bracket: ${\displaystyle ⟦\frac{x}{2}⟧}$ ${\displaystyle ⟦\frac{x}{2}⟧}$

Mathematical Double Angle Bracket: ${\displaystyle ⟪\frac{x}{2}⟫}$ ${\displaystyle ⟪\frac{x}{2}⟫}$

Mathematical Double Angle Bracket: $⟦{\displaystyle \frac{111}{{\displaystyle 2xy\frac{111}{2xy}}},\frac{111}{{\displaystyle 2xy\frac{111}{2xy}}}}⟧$

Mathematical Content with Paranthesis: ${\displaystyle \left(\frac{111}{{\displaystyle 2xy\frac{111}{2xy}}},\frac{111}{{\displaystyle 2xy\frac{111}{2xy}}}\right)}$