> "It has a self-contained master-key for extending the evaluation to any number of decimal places." Well, at least if someone would actually say what the frea

> "It has a self-contained master-key for extending the evaluation to any number of decimal places." Well, at least if someone would actually say what the freaking "master key" is, it might be intellectually delightful even if historically BS. ... but I can't find any description of what this "master key" is.