profile

Enoch Yu


Hello! Thank you for visiting my website. I am Enoch Yu, a rising high school junior in South Korea. I retain keen interests in numerous fields including pure math, machine learning, and quantitative finance.

Currently I am...

Selected Honors & Awards

Academic

2026 AP Scholar with Distinction

Issued by College Board • Jul 2026

The college board award is given to students who scored at least a score of 3 on at least 5 exams and have accumulated average of 3.5.

2026 Korean Mathematical Olympiad Stage II Qualification

Issued by Korean Mathematical Society • Jun 2026

Approximately 400 students with outstanding score on the first stage of Korean Mathematical Olympiad are invited to compete in the second stage of the olympiad for national team selection for the International Mathematical Olympiad (IMO).

2026 MathCON Finalist

Issued by MathCON • Apr 2026

Participants who scored in top 1% to 2% are invited to the final round of MathCON in Chicago.

2025 AMC 10 Top 10%

Issued by Korean Gifted Students Evaluation Association • Jan 2026

The honor is accoladed to students who scored in top 10%.

2025 Korean Mathematical Olympiad Stage I Honorable Mention

Issued by Korean Mathematical Society • Jun 2025

Honorable mentions are awarded to students who scored in approximately top 300 in South Korea.

2024 AMC 8 Honor Roll

Issued by Mathematical Association of America • Feb 2025

Honor Roll is awarded to students who scored in top 5%.

2023 AMC 8 Honor Roll

Issued by Mathematical Association of America • Feb 2024

Honor Roll is awarded to students who scored in top 5%.


Volunteering

2025 Gyeonggi Province Volunteering Certificate of Commendation

Issued by Chairman of Gyeonggi Province Volunteer Center • Dec 2025

The certificate is awarded to around four people per quarter who dedicated their time and effort in improving the community.

2024 Gyeonggi Province Volunteer Center Chairman Award

Issued by Chairman of Gyeonggi Province Volunteer Center • Nov 2024

The award is accoladed to around four volunteers per quarter, who dedicated their time and passion for their community.

Publications

2026

Enoch's Notebook: An Introduction to Linear Algebra (Read More)

Aug 2026 • A free 173 pages book on essence of linear algebra

Enoch's Notebook: An Introduction to Linear Algebra is a free book that contains the essence and foundations of linear algebra. The book initially started as a course notes and was published with free PDF and Amazon.

Experience

Leadership

Nanum Learn

Aug 2026 - PRESENT • Founder & President

Nanum Learn is an educational initiative that aims to accelerate open learning by providing original and accessible resources such as books, classes, and handouts with permissive license. The initiative is in beta and hosted in nanumlearn.enochyu.com.

ChungManHan Holy Phil Orchestra

Jan 2017 - PRESENT • Concertmaster

ChungManHan Holy Phil Orchestra is a church orchestra comprising over 100 members. As the concertmaster of the orchestra, I serve as the primary assistance of the conductor and leader of First Violin.


Internship

DNA Math Academy

Jun 2024 - PRESENT • Instructor

To share the beauty of math, I occasionally tutor math in DNA Math Academy in South Korea. Moreover, I quarterly lead sessions for math competitions and Olympiads such as AMC and national Olympiads.

Projects

~ Present

LibreNotebook (Read More)

Giant and free notebook

LibreNotebook is a giant and free notebook that anyone can read and modify. The purpose is to inspire and accelerate open education as a way of returning the blessings that we received from public educational resources. PDF of the most recent draft is available.

Problem of the Day - 100 Problems for 100 Days (Read More)

YouTube videos explaining 100 math olympiad problems

As the name suggests, the project contains 100 problems from diverse sources, where I made a video for the problems. The playlist to the explanation videos are available here! The solutions are mixed works of my personal solutions, solutions founded by community, and official solutions.


2026

Daygraise

A CLI tool to manage your task and visualize productivity

Please visit here for more information.

JavaScript Mini-Projects (Read More)

Fun websites that I made while learning web development

As an ardent high school sophomore who loves math and programming, I decided to create mini-projects with JavaScript. The purpose of this project is to document my learning journey and to actively engage in learning different programming languages on my own. Total of three mini-projects are created each with detailed explanation, demonstration, and source code.

Contact