public static DoubleBinding pow(final ObservableDoubleValue a, final double b) {
        return createDoubleBinding(() -> Math.pow(a.get(), b), a);
    }
public static DoubleBinding pow ( final ObservableDoubleValue a , final double b ) { return createDoubleBinding ( ( ) -> Math . pow ( a . get ( ) , b ) , a ) ; }
Binding for {@link java.lang.Math#pow(double, double)}

@param   a   the base.
@param   b   the exponent.
@return  the value {@code a}<sup>{@code b}</sup>.