DoubleLongLeftRightArrow (Built-in Mathematica Symbol)

DoubleLongLeftRightArrow[x, y, ...] displays as x\[DoubleLongLeftRightArrow]y\[DoubleLongLeftRightArrow]....

DoubleLongRightArrow (Built-in Mathematica Symbol)

DoubleLongRightArrow[x, y, ...] displays as x\[DoubleLongRightArrow]y\[DoubleLongRightArrow]....

DoubleRightArrow (Built-in Mathematica Symbol)

DoubleRightArrow[x, y, ...] displays as x \[DoubleRightArrow] y \[DoubleRightArrow] ....

EqualTilde (Built-in Mathematica Symbol)

EqualTilde[x, y, ...] displays as x \[EqualTilde] y \[EqualTilde] ....

GreaterSlantEqual (Built-in Mathematica Symbol)

GreaterSlantEqual[x, y, ...] displays as x \[GreaterSlantEqual] y \[GreaterSlantEqual] ....

GreaterTilde (Built-in Mathematica Symbol)

GreaterTilde[x, y, ...] displays as x \[GreaterTilde] y \[GreaterTilde] ....

HumpEqual (Built-in Mathematica Symbol)

HumpEqual[x, y, ...] displays as x \[HumpEqual] y \[HumpEqual] ....

LessSlantEqual (Built-in Mathematica Symbol)

LessSlantEqual[x, y, ...] displays as x \[LessSlantEqual] y \[LessSlantEqual] ....

LessTilde (Built-in Mathematica Symbol)

LessTilde[x, y, ...] displays as x \[LessTilde] y \[LessTilde] ....

LongLeftArrow (Built-in Mathematica Symbol)

LongLeftArrow[x, y, ...] displays as x\[LongLeftArrow]y\[LongLeftArrow]....