raphaelchu0205Jul 26, 2022MathHow to calculate the arc length of a circular sector easily, without "3.1415926..."?
raphaelchu0205Jul 24, 2022MathUsing calculus, why is the earth's gravity about "9.8 m/s^2"?A website that can help you understand the things that I write in this article:https://en.wikipedia.org/wiki/Shell_theorem
raphaelchu0205Jul 22, 2022MathHow to Calculate Square Root Using Continued FractionI learned to calculate square root without calculation yesterday. I will explain the method in the next few sentences. For example, I...
