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Zhao Youqin's π algorithm

Zhao Youqin's π algorithm was an algorithm by Yuan dynasty astronomer-mathematician Zhao Youqin (赵友钦, ? – 1330) to calculate the value of π in his… 
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Chronology of computation of πLiu Hui's π algorithm

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2018
2018
Characterization of GNSS Signals Tracked by the iGMAS Network Considering Recent BDS-3 Satellites
The international GNSS monitoring and assessment system (iGMAS) tracking network has been established by China to track multi… 
Highly Cited
2016
Highly Cited
2016
Banking unconditionally: the political economy of Chinese finance in Latin America
ABSTRACT Globalization scholars have long-debated to what extent economic integration, and, specifically, mobile private capital… 
2016
2016
The Impact of Financial Crisis on Electricity Demand: A Case Study of North China
The electricity consumption and economic growth are highly correlated. The financial crisis in 2008 brought a negative effect on… 
Highly Cited
2013
Highly Cited
2013
Power control algorithm of cognitive radio based on non-cooperative game theory
This paper addresses the power control problems of Cognitive Radio (CR) under transmission power and interference temperature… 
2012
2012
Zircon geochronology and Hf isotopic composition of Mesozoic magmatic rocks from Chizhou, the Lower Yangtze Region: Constraints on their relationship with Cu–Au mineralization
2012
2012
Computation of ATR Darmon Points on Nongeometrically Modular Elliptic Curves
ATR points were introduced by Darmon as a conjectural construction of algebraic points on certain elliptic curves for which the… 
2012
2012
Efficient construction of provably secure steganography under ordinary covert channels
Steganography is the science of hiding information within seemingly harmless messages or innocent media. This paper addresses the… 
2010
2010
Tinkering with tasks knows no bounds: ESL Teachers’ Adaptations of Task-Based Language-Teaching
Research on implementing task-based language-teaching (TBLT) shows that adapting TBLT in ways that are inconsistent with its… 
2007
2007
Intra-dynastic and Inter-Tai Conflicts in the Old Kingdom of Moeng Lü in Southern Yunnan 1
Power struggles within ruling houses are a classic problem causing the weakening of dynasties and inviting foreign invasions. The… 
Highly Cited
1999
Highly Cited
1999
Separation of elastic waves in split Hopkinson bars using one-point strain measurements
A method for the analysis of elastic waves in split Hopkinson bars for unlimited time durations is presented. This method allows… 
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