4 papers
Bisection of Trapezoids in Elamite Mathematics
Nasser Heydari, Kazuo Muroi
The bisection of trapezoids by transversal lines has many examples in Babylonian mathematics. In this article, we study a similar problem in Elamite mathematics, inscribed on a cla…
The Elamite Formula for The Area of a Regular Heptagon
Nasser Heydari, Kazuo Muroi
In this article, we study the inscription on the reverse of Susa Mathematical Text No.\,2, a clay tablet held in the collection of the Louvre Museum and thought to date from betwee…
Cubic equations of Babylonian mathematics
Kazuo Muroi
In this paper I shall clarify three cubic equations of Babylonian mathematics, whose solutions have not been fully explained; BM 85200, no.6 and no.7, and YBC 4669 B2.
Two Sumerian Words of Fractions in Babylonian Mathematics: igi-n-gál and igi-te-en
Kazuo Muroi
In Babylonian mathematics two Sumerian words of fractions occur, which were originally used in non-mathematical texts. They are igi-n-gál "the reciprocal of (the number) n", which…