My name is Xinke Guo-Xue.
I run math classes for students aspiring to learn math well or prepare for math competitions.
In my free time, I like learning more math and more piano pieces.
I also do some math volunteer activities.
I am sometimes active on the AoPS forums under the username
XInke is a teacher and recreational mathematician. He has also played piano for 20 years. His passion is sharing his passion of math to younger generations of aspiring mathematicians or motivated math students.