Alexander Yee
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| Alexander Yee | |
|---|---|
| Born | |
| 🎓 Alma mater | University of Illinois |
| 💼 Occupation | |
| Known for | Y-cruncher, which has aided several records for computations of pi and others |
| 🌐 Website | www |
Alexander J. Yee (claiming b.1988 or 1989)[1] is a Chinese hobbyist programmer[2] software developer at Citadel Securities[3] and the author of the y-cruncher, which computes π, among other irrational numbers.[4]
Y-Cruncher[edit]
Y-Crucher has a Wikipedia page.
Yee started developing a Java library for arbitrary-precision arithmetic called "BigNumber" in high school. With this, he and his roommate Raymond Chan were able to set the world record for the most decimal places computed for the Euler-Mascheroni constant on December 8, 2006, with 116,580,041[5] decimal places. In January 2009 they broke the record again and computed 14,922,244,782 decimal places, but he has now renamed his program to "y-cruncher" and has reprogrammed it to C or some parts to C++.[6]
Then, on August 2, 2010, Shigeru Kondo computed π to 5,000,000,000 decimal places using y-cruncher. The computation was verified by Yee.[7]
The next year, Yee and Kondo computed π to 10,000,000,000,050 decimal places, again breaking the world record for π. As a result, Yee decided that he wanted to completely overhaul the program once, rewriting most of it. This is due to the fact that for the computations of π he had to make the program compatible for numbers with several trillion decimal places and thereby the code became more and more confusing and inefficient.
Personal Life[edit]
According to his “about me” page[1] on his website, Yee was 23 as of June 2011. He was ahead in math in middle/high school and enjoys anime. He also spends time on Stack Overflow.
References[edit]
- ↑ 1.0 1.1 "About Me". www.numberworld.org. Retrieved 2020-12-30.
- ↑ "Mysticial - Overview". GitHub. Retrieved 2021-01-03.
- ↑ Yee, Alexander (2020-12-30). "LinkedIn Page". Unknown parameter
|url-status=ignored (help) - ↑ "y-cruncher", Wikipedia, 2020-12-20, retrieved 2020-12-30
- ↑ "Euler-Mascheroni Constant - 116 million digits on a laptop". www.numberworld.org. Retrieved 2020-12-30.
- ↑ "New World Records on a Gaming Computer". www.numberworld.org. Retrieved 2020-12-30.
- ↑ "Pi - 5 Trillion Digits". www.numberworld.org. Retrieved 2020-12-30.
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