Limit is a bedrock of Calculus. Understanding limit and its identities requires proofs as well as understanding others does.
As the first time to go abroad, I go to the Tokyo which is one of the mega cities in Asia. I hereby write down what have been shown in Journey and something more.
In this series of compilations of physics problems. I will simply put on some intriguing problems. This one is on mechanics.
Time flies. With the fragrances which are scattered by the bright yellow flowers that are in full bloom, I have had the graduation ceremony in this gorgeous campus.
When I was reading Alex Zhang's Tao of Rust which is a comprehensive Rust book in Chinese, I found the Figure 3-5 on P70 in Chapter 3 improper.