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A guide for preparing for the William Lowell Putnam Mathematical Competition
Are you planning to participate in the Putnam Maths Competition in the future? Come and check it out!
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Why mathematicians choose “A linear subspace must have the additive identity” as one of the condition of the linear subspace but not “A linear subspace must be nonempty” ?
Actually they can do that, but why they don’t? Because from the perspective of modern algebra…
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A simple physical approach to understand the Taylor series
Do you know that the displacement formula with acceleration in one dimension which you had learned in Physics class actually reveals the existence of Taylor series implicitly?
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Intro to the Colemak keyboard layout
The QWERTY layout was designed in the 19th century. Colemak is a modern alternative to the QWERTY and Dvorak layouts, designed for efficient and ergonomic touch typing in English… — www.colemak.com
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My experience of U.S. Visa interview in Guangzhou China
Because of the quarantine policy in Shanghai, the U.S. Consulate in Shanghai, China was closed during that time, and accordingly I choose my VISA appointment at U.S. Consulate in Guangzhou, China…
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Summation by Parts (Abel Transformation)
Want to know what is summation by parts? Check it out!
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Some advice for the new learners to Python
In ‘Learn Python the Hard Way’, it is advised that beginners should not use the IDLE that comes with Python. But I don’t agree with that to a certain extent…
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A Simple Analogy to Understand Terminal, Shell, TTY, and Console
Newcomer to Linux OS? Want to know the difference between Terminal, Shell, TTY, and Console? But don’t want to read the tedious doc? Then this post is made for you 🙂 Check it out!
