Text notebooks are well suited for version control. You can also edit or refactor them in an IDE - the .py notebook above is a regular Python file. If your notebook is documentation-oriented, a ...

Abstract: This paper presents the quotient function (QF) of the residue number system (RNS), which provides the integer value of the argument scaled by a modulus of the RNS. An application of the QF ...

No newlines allowed. No semicolons, either. No silly file I/O tricks, or eval or exec. Just good, old-fashioned λ.