Egyptian scribes calculate a frustum's volume

Published on 26 December 2021, the paper proposes that ratios on Plimpton 322 operated like a systematic trigonometric table.

The author derives triangle values through sexagesimal ratios rather than modern decimal notation.

The record distinguishes the paper's claim from scholarly consensus because the tablet's purpose remains debated.

Changing interpretations show how modern categories influence what historians believe ancient practitioners were doing.

A paper dated 10 July 2022 links the Moscow Papyrus formula for a truncated pyramid with Liu Hui's geometric reasoning.

The Chinese mathematician's dissection arguments suggest ways ancient practitioners could understand such formulas without Euclidean proof.

It argues that historians trained only in Greek geometry and modern algebra overlooked illuminating comparisons between Egypt and China.

The article shows that scholarship and cultural exchange flourished across Africa, Asia and the Islamic world during centuries often framed through Western European decline.

Greek geometry, Indian numeration and Chinese paper technology circulated through multilingual networks.

Baghdad's scholars translated and transformed materials from many regions rather than inheriting a single civilizational line.