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Memo2007Ultra
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through Art, Games, and Learning
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Microsoft Team List Board How to delete a bucket 2026 Nov 12
let's say you have the following buckets and the last one is wrong Step 1 click "Edit in grid view" Step 2 goto "board choice > Column settings > Edit" Step 3 from here we can delete the targeted bucket then hit "Save" at the bottom Finally that annoying thing is gone QwQ
STATUS REPOwORT - 20261102 - 20261108
📁 M2007U ╰── 📁 Learn2016 ╰── 📁 Academic2017 ╰── 📁 Science2017 ├── 📁 Physics2023 │ ╰── 🟡 KOwOdni │ ├── transfered basic concept explainations to Blog Posts │ ├── new blog Post : Chladni Figures II │ ├── new blog Post : Chladni Figures III │ ├── Reso Function now can be linear or cosine │ ├── Each Mode
Chladni Figures III
Stacking multiple Figures inspired by logic gates, we have 0 * 0 = 0 0 * b = 0 a * 0 = 0 a * b = ab from the stand point of "0" it is like an OR gate this means that : when we want to stack 2 or more graphs / figures together we only need to multiply them together here are some examples : sin(3/2*atan(y/x)) AND sin(2*pi*sqrt(x^2+y^2)) cos(1*pi*x)cos(2*pi*y) - cos(2*pi*x)cos(1*pi*y) AND sin(2*atan(y/x)) AND sqrt(x^2+y^2)-0.4 sin(3*pi*x)sin(4*pi*y) + sin(4*pi*x)sin(3*pi*y) AND.
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FB MAFS 20221015 - GaoYuTian Guessing your Age | 高雨田 大魔王 ：荧幕前你的年龄，我已经算出来了
<EN> If you are here directly, here is the link with the context: https://www.facebook.com/reel/375727531350653/ since the video is in...
XR_XharpRazor
Oct 16, 20226 min read
Largest Rectangle inside a Circle part 2
If you are here from Facebook, hi, if you are here directly, here is the link to the original video : https://www.facebook.com/watch/?ref=saved&v=986837095369965 如果你是从面子书来的，嗨， 如果你是在这里看到这个帖子的， 原视频在这里： https://www.facebook.com/watch/?ref=saved&v=986837095369965 如果你是從面子書來的，嗨， 如果你是在這裡看到這個帖子的， 原視頻在這裡： https://www.facebook.com/watch/?ref=saved&v=986837095369965 here is the original problem: 以下为原题： 以下為原題： If we have a rope of 56cm, what is the biggest rectangle it can make ?...
XR_XharpRazor
Aug 27, 20226 min read
Diving by 0, Chapter 1
We know that it is impossible to divide a number by zero. And in the past, it is impossible to square root a negative number, but...
XR_XharpRazor
Jun 6, 20223 min read
Tower of Hanoi : Part 3 of 3
I tried to played with a modified version of Tower of Hanoi : instead of just having 3 Rods, what will happen when we have 4 rods instead ? my naive first move (Caution : it is wrong) If I know how to solve a n-disk puzzle, then I can solve a (n+1)-disk puzzle, move n-1 disks to a temporary rod, move the largest disk, then move the n-1 disks again so T{n} = 2T{n-1} + 1 as well the least number of disk to use all 4 rods to solve the puzzle should be 3-disks, we will need state
XR_XharpRazor
Feb 18, 20223 min read
Tower of Hanoi : Part 2 of 3
The proof of the formula for the Tower of Hanoi WITHOUT USING INDUCTION
XR_XharpRazor
Feb 18, 20222 min read
Tower of Hanoi : Part 1 of 3
Understanding the Tower of Hanoi
XR_XharpRazor
Feb 18, 20222 min read
FB MAFS 20211215 - the Rotating Method | 柳老師教你用旋轉法秒解狀元題
If you haven't watched the video yet, here is the link : https://www.facebook.com/watch/?v=373411481208054 if you don't speak Chinese,...
XR_XharpRazor
Dec 27, 20212 min read
MEROOM is no longer accessible on VRChat, or is it only that?
What.... what just happened ?! About 1 month ago, an active VRChat World "MEROOM" has been taken down by the creator, MERU. Here is a link to a reddit post: https://www.reddit.com/r/VRchat/comments/qp81tv/meroom_no_longer_available_to_the_public/ According to the comments and replies, there was a thread on Twitter, written in Japanese, complaining about why the creator added a mahjong table {InfoProvidedBy:lastalliance}. Noted that the creator has asked the visitors not to i
XR_XharpRazor
Dec 9, 20215 min read
Primary school Math Problems that made students went BONKERS, Question 01|小学数学题“逼哭”考生, 第1题
[English version] According to SinChew Daily and Goxuan, some students cried on the spot, vomitted, table flipped, or asked the teacher...
XR_XharpRazor
Nov 24, 20215 min read
Divisible by 7
Chapter 1 when you are trying to simplify fractions, chances are you are having a hard time, you don't know what to factorize. Here are some of the techniques to know if a number is divisible by a simple factor, say from 2 to 9. Note that we are going to deal only with base-10. These tests can be divided into 3 types : Dividing Carries, Digit Sums & Complex Equations Type 1: Dividing Carries the main idea is that some factors can divide some power of ten perfectly, so we don'
XR_XharpRazor
Oct 19, 20216 min read
"Why are you so smol ?"
Starting from March 2021, I played VRChat until now, the avatar I use as my normal virtual form is a Kon, a short cute HalfHuman Half-fox character designed by Midori. Because of that, I am short to other users with average height, sometimes other players just walk to me and asked: "Why are you so smol ?". And I will reply to them: "Everything here is relative. Size is relative, time is relative. There is nothing which is the biggest, only bigger; there is nothing is the smal
XR_XharpRazor
Sep 29, 20211 min read
I can walk 5 seconds in a second
One day I assigned a question to my students : If Aaron can walk 1.2 meters for each second, how long will it take for him to walk 25000cm. And the next lesson we discussed the question, and I asked them "how long the distance Aaron can walk within a second ?". I was expecting them to say "1.2 meters" since it is so easy and it is stated directly in the question, but instead, one of them said 250seconds". Of course, I have to correct them, but after the lesson, I think to mys
XR_XharpRazor
Sep 29, 20213 min read
Lightning Triangle
Simple question.... how many triangles can you find here?
XR_XharpRazor
Aug 25, 20217 min read
the Largest Rectangle in a Right Triangle
what is the Largest Rectangle inside a right triangle you can have ? Find out here
XR_XharpRazor
Aug 25, 20212 min read
Dividing by 0 : Chapter 0
Why the real numbers are forbidden to be divided by 0 ? Here's why.
XR_XharpRazor
Aug 25, 20213 min read
Largest Rectangle inside a Circle
the largest rectangle inside a circle
XR_XharpRazor
Aug 25, 20211 min read
Approximation of Pi (π)
M2007U-E2016-A2017-S2017-M2021_SMT-20160929x01 Let's draw a circle with a radius of r, and install a polygon inside it. As the number of the sides of the polygon increases, the polygon is approaching a circle, but the polygon will never be a circle. cutting the polygon into several equal triangles with one of their tips at the center of the circle, let's call the angle between 2 radii as θ. as the side of the polygon increases, the angle θ becomes smaller and smaller, the
XR_XharpRazor
Aug 25, 20211 min read
Sine Circle
M2007U-E2016-A2017-S2017-M2021_20180508x01 Let's draw a circle with a radius of R and mark out all the angles with a factor of 5 degrees around the circle as the diagram shown on the right. now let's mark out all different radii with a length of (R x the sine of the angle the radius is pointing to) from the center. you'll find that the tips of those radii are likely to form a circle, the target of this article is to prove that the tips of the radius are really forming a cir
XR_XharpRazor
Aug 25, 20212 min read
Sum Period
M2007U-E2016-A2017-S2017-M2021_20170605x01 Definition: We start from a natural number "n", we sum all the digits it has and get a sum...
XR_XharpRazor
Aug 24, 20212 min read
Digit Column Route
M2007U-E2016-A2017-S2017-Mat_SMT-28Mar2017-1 Setup Pick any number from 1 to 9, and call it the factor F. Arrange the numbers 1 to 9 into a table/matrix, from the left to right, bottom to top. Then add the number "0" to a new row at the bottom of the matrix and aligned to the last column. Feature for the multiples of the Factor F which are smaller than 99, the numbers of Tens which are inside a certain column in the matrix will point to the numbers of Ones which are inside a
XR_XharpRazor
Aug 24, 20212 min read
VRChat - QVpens - part 2
if you are here directly, I'll suggest you start from part 1, here's the link: https://memo2007ultra.wixsite.com/memo2007ultra/post/vrchat-qvpens if you have read part 1, NEWO, I just discovered new stuff that you can draw by using QV pens ~, LETS GOOOO~~~~ Dust Sphere if you are using a PC, then the radius is fixed if you don't adjust the distance between the QV pen and yourself. Click anywhere by using the en and if you do it enough, you'll end up with a sphere made with do
Memo2007Ultra
Aug 5, 20211 min read
YT MAFS - 20210805
if you are here directly, go check out the original problem here: https://www.youtube.com/watch?v=DRmS8VAYMnM if you are from Youtube,...
XR_XharpRazor
Aug 5, 20212 min read
在中学做过的事(1)
我的话，我是独中，不是国中。 那个时候我是高二高三（记不清楚了）。 学校对面小贩中心的后半部，有很多学生穿着校服抽烟喝酒。 我有试过抄学号两次，第一次大约两个，第二次差一点遭殃 XD 外加说明： 我在学校外面餐厅吃午饭的话都会有一个习惯：吧自己用的 盘匙叉/碗筷...
XR_XharpRazor
Jun 30, 20212 min read
FB MAFS - 20210722
if you are from Facebook, NEWO if you are here directly, here is the original question: https://www.facebook.com/groups/1497810200314692/...
XR_XharpRazor
Jun 23, 20212 min read
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