Cube root this required the construction, now known to be impossible, of the length . A method for extracting cube roots appears in "The Nine Chapters on the Mathematical Art", a Chinese mathematical text compiled around the 2nd century BCE and commented on by Liu Hui in the 3rd century CE. The Greek mathematician Hero of Alexandria devised a method for calculating cube roots in the 1st century CE. His formula is again mentioned by Eutokios in a commentary on Archimedes. In 499 CE Aryabhata, a mathematician-astronomer from the classical age of Indian mathematics and Indian astronomy, gave a method for finding
Minuscule 729 (Gregory-Aland) New Testament manuscripts by Scrivener (747) and Gregory (729). It was examined and described by Paulin Martin. Gregory saw the manuscript in 1885. The manuscript is now housed at the Bibliothèque nationale de France (Gr. 182, fol. 1-341) in Paris. Minuscule 729 (Gregory-Aland) Minuscule 729 (in the Gregory-Aland numbering), Θ (von Soden), is a Greek minuscule manuscript of the New Testament written on parchment. Palaeographically it has been assigned to the 13th century. The manuscript has complex contents. Scrivener labelled it as 747. The codex contains a complete text of the four Gospels on 341 parchment leaves (size ). The