Get the latest tech news
Memorizing the first 100 perfect squares (2022)
Whether you love Number Theory, math competitions, or just have an affinity for numbers, there are many reasons why you would want to familiarize with perfect square numbers. I memorized squares up to 20^2 = 400 in elementary school, and stopped thereafter. However, recently I thought maybe I would want to extend my knowledge of perfect squares up to 100^2 = 10000. Knowing and recognizing these squares can be useful for mental multiplication (in some cases), factoring expressions and even algorithms for mentally calculating square roots of arbitrary numbers!
I made this a few years ago, and I did so by googling what I wanted, gaining new information, some of which lead in the right direction and gets me a bit closer to what I needed. In the last article, we discussed the formatting of the Master List and how it could be used to aid the study of Traditional Chinese characters, assuming fam... Speedcubing, the act of trying to solve a Rubik’s Cube or related twisty puzzles in the shortest amount of time possible, was a hobby that I picked up years ...
Or read this on Hacker News