#TopScoreTuesday! This week’s Top Scorer is Nathanial Gan, 25, from Singapore. He is currently in his final year at National University of Singapore. To learn more about the Spirit of Ramanujan Talent Initiative, check out www.expii.com/ramanujan

Keep boosting your score with Solve set 43!

Q: What’s one fun fact about yourself?

A: I have two feet with five toes on each.

Q: How did you get interested in Expii?

A: I was introduced to it by a friend.

Q: How do you use Expii

A: Mainly I just look at the weekly problems for fun, and share some of them with friends for fun too.

Q: What’s your math background?

A: I major in mathematics.

Q: Do you have a favorite math concept or area?

A: My favorite math area is the area of a unit circle, which is pi. For concepts, I’m most interested in mathematical logic and philosophy.

Q: Anything else you want to share about yourself?

A: People sometimes call me “Aaron”.