Who was the indian who calculated the value of pi to four decimal places. he also calculated the length of the solar year as 365. 3586805 days. this is very close to modern calculations made with an atomic clock.

Aryabhata was the Indian who calculated the value of pi to four decimal places. 

Concurrent jurisdiction is the ability to exercise judicial review by different courts at the same time, within the same territory, and over the same subject matter. for instance, a domestic violence matter may be heard in either a general civil court or a family court in the same county.i hope that this you : )