public void NewOperatorParsed()
{
var p = new MathParser();
p.Operators.Add(new BinaryOperator<double>("$", 2, (x, y) =>
{
p.Manipulate("var x = " + x);
p.Manipulate("var y = " + y);
return p.Evaluate("x * y");
}));
Assert.AreEqual(p.Evaluate("3 $ 4"), 12);
}