title: Is there a 128 or 256 bit double class in .net?
body: <p>I have an application that I want to be able to use large numbers and very precise numbers. For this, I needed a precision interpretation and IntX only works for integers.  </p>
  
  <p>Is there a class in .net framework or even third party(preferably free) that would do this?</p>
  
  <p>Is there another way to do this?</p>