MathJoy

As I have investigated so far, there are at least two ways in which a Chinese citizen can legally work remotely for overseas companies: Independent Contractor : One of the most common ways is to work as an independent contractor or freelancer. In this case, I am not an employee of the company, but I provide services based on a contract. I will be responsible for managing my own taxes in China. It's essential to have a well-defined contract that specifies the terms of the working relationship. Outsourcing work to China : The Ministry of Commerce of the People's Republic of China provides a channel to allow Chinese companies to become international service providers, you can check the procedures by  clicking this link .  My friend’s software development company  is legitimate to work as an international service provider from China, I can work for the international clients on behalf of the company. As for ta...

This post is mainly used as a reply to xAI's tweet, it is excerpted from my self-introduction letter. We are hiring creators, teachers, and curators to help improve our models! If you are extremely good at writing and an expert in your field, pls DM us evidence of your most exceptional work — xAI (@xai) August 26, 2023 I think there are few good textbooks on calculus written in Chinese for beginning students, most of the textbooks put too much emphasis on rigor, while the rigorous presentation is difficult to grasp and obscures the understanding, so many students struggled with the course. I suffered the same difficulty when I started learning calculus on my own, and I failed the self-learning at least three times until I found good books suitable for self-study and developed the method for self-learning. Although I have found my way to go on my calculus learning, many students still struggle with the course, thus I feel a sense of mission to help ease the learning of calculus for...