-1621108680 | | Coupling and logic to let and let* forms. | succeeds | 0 |

-1621108747 | | Exact computer arithmetic and base conversion via continued fractions. | succeeds | 0 |

-1621110536 | | A very simple library for basic matrix arithmetic. | succeeds | 0 |

-1621110536 | | Basic polynomial arithmetic and interpolation. | succeeds | 0 |