On 29.06.2011, at 15:34, bb wrote: > I found that there are some Float-Subclasses: > FloatD > FloatE > FloatQ > How can I use them and what are they good for? > I do not understand the use of > LargeZeroInteger > as well. These classes are not in any official Squeak image. What image are you using? Which packages are they in? - Bert -