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Lot Essay
This is a holograph of the author, a mathematician and astronomer who was also a Qadi who worked in Isfahan. He should not be confused with the famous mathematician Ghiyath al-Din Jamshid al-Kasi who worked and died in Samarqand in 832/1429.
His other works are also on mathematics. It was not uncommon for a Qadi to be interested in maths, as part of his religious duties included the sharing of inheritance as well as fiscal duties.
His other works are also on mathematics. It was not uncommon for a Qadi to be interested in maths, as part of his religious duties included the sharing of inheritance as well as fiscal duties.