Relational operators

Operation	Command	Display
Is equal	a = b
Is not equal	a <> b
Approximately	a approx 2
Divides	a divides b
Does not divide	a ndivides b
Less than	a < 2
Greater than	a > 2
Similar to or equal	a simeq b
Parallel	a parallel b
Orthogonal to	a ortho b
Less than or equal to	a leslant b
Greater than or equal to	a geslant b
Similar to	a sim b
Congruent	a equiv b
Less than or equal to	a <= b
Greater than or equal to	a >= b
Proportional	a prop b
Toward	a toward b
Arrow left	a dlarrow b
Double arrow left and right	a dlrarrow b
Arrow right	a drarrow b