Used as a noun. Usually used to describe anything new that has not had the problems worked out of it yet, such as a new untested product released on an unsuspecting public. It can also be used to denote the first version of something created which is not approved/expected to be the final version, such as a new computer program, music mix, the first draft of a script, etc.
PLURAL: "I should have waited a few months to buy that new automobile, seeing as they hadn't worked the problems out of the zero-point-ones yet." SINGULAR: "We've got the new zero-point-one up and running, we'll see how this works out..."