Points may fit curves.Logical formLearned from4 sentences. (Bell curves) can be stable.Logical formLearned from4 sentences. A curve may pertain-to an eye.Logical formLearned from4 sentences. Curves may consist of secants.Logical formLearned from4 sentences. An area can be above a curve.Logical formLearned from4 sentences. Curves may represent some values of an index.Logical formLearned from4 sentences. A curve can be a bit.Logical formLearned from4 sentences. Curves may be produced.Logical formLearned from4 sentences. (Data sets) may be considered in deriving (rating curves).Logical formLearned from4 sentences. A curve can be constituted-of-or-filled-with points.Logical formLearned from4 sentences. A quadratic curve may manifest flatness.Logical formLearned from4 sentences. A curve can be without measurring against a (flatness parameter).Logical formLearned from4 sentences. A curve can be personal.Logical formLearned from4 sentences. (Breakthrough curves) can be experimental.Logical formLearned from4 sentences. A shift can be in a curve.Logical formLearned from4 sentences.