Questions and Answers
In what year was Ulugh Beg's institute in Samarkand founded?
1409
How many scientists were teaching and conducting research at Ulugh Beg's institute?
60
What was the title of Al-Kashi's Zij, which was based on Nasir al-Din al-Tusi's earlier work?
Khaqani Zij
How many entries were there in Al-Kashi's table of sinus values?
Signup and view all the answers
What was the number of edges in the polygon Al-Kashi used to calculate the value of π?
Signup and view all the answers
How many decimal places did Al-Kashi calculate the value of π up to?
Signup and view all the answers
Where was Jamshid al-Kashi born?
Signup and view all the answers
What was the name of the Timurid sultan who founded the institute in Samarkand?
Signup and view all the answers
What was the basis of Al-Kashi's Zij, the Khaqani Zij?
Signup and view all the answers
For how long was Al-Kashi's record of calculating π unbroken?
Signup and view all the answers
