Category Archives: Uncategorized

11 of the Best YouTube Channels for Understanding Mathematics

Originally posted on Math Online Tom Circle:
https://interestingengineering.com/11-of-the-best-youtube-channels-for-understanding-mathematics Below are some of the best and Free Math channels from Secondary School to University to Public Math Enthusiasts. 1. Khan Academy (School Math, Sponsored by Bill Gates) 2. Numberphile (Math Curiosity)…

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$54 Promotion by OCBC

There is a new ongoing promotion by OCBC bank: OCBC Passbook and Statement Savings Accounts Get S$54 cash credit with every S$5,000 in fresh funds deposited in an OCBC Passbook or Statement Savings Account, with no limit. Funds deposited must be … Continue reading

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Python Water Changer Singapore

I have checked all the aquarium shops at the famous aquariums at Clementi Blk 328 (also known as C328 LFS). They do not carry the Python Water Changer or similar products such as the Aqueon Aquarium Water Changer. Hence, the … Continue reading

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Avocado Egg (Deviled Eggs)

Originally posted on Cooking For Fun:
I used 4 eggs and 1 small ripe avocado in this recipe. You can adjust it according to your preference, use more eggs, less avocado or less eggs and more avocado. Boil eggs till…

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What Makes an Amazing Nursery? 3 Things You Should Look for When Choosing a Nursery

Sending your child to nursery can be a very stressful decision. In fact, it is probably one of the most important decisions you will have to make for your child after he is born. After all, the learning environment that … Continue reading

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From poor in math to Quantum Physics

Originally posted on Math Online Tom Circle:
She is a Cambridge PhD in Quantum Computing. https://youtu.be/nEhhQtq9gp4 How to learn Quantum Mechanics on your own : https://youtu.be/Rs572Cf4zkk

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Data Science: 5 Statistics & Math tools

Originally posted on Math Online Tom Circle:
【掌握这五大统计学知识,让你笑傲数据科学界】 https://m.toutiaocdn.com/group/6723020943871967751/?app=news_article_lite&timestamp=1565375984&req_id=20190810023944010152028205708822C&group_id=6723020943871967751&tt_from=android_share&utm_medium=toutiao_android&utm_campaign=client_share 1. MEAN / MEDIUM 2. PERCENTILE 3. SKEWNESS 4. STANDARD DEVIATION 5. PCA = Pricinpal Component Analysis 【学习大数据,我不会数学怎么办?还要不要学啦?】 https://m.toutiaocdn.com/group/6706386149763449356/?app=news_article_lite&timestamp=1565378178&req_id=20190810031618010152042134003992B&group_id=6706386149763449356&tt_from=android_share&utm_medium=toutiao_android&utm_campaign=client_share 1. Probability & Statistics 2. Linear Algebra (Matrix, Eigenvectors, Eigenvalues) 3. Optimisation…

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林群院士:怎样学好数学?How to learn Math well ?

Originally posted on Math Online Tom Circle:
【中国科学院林群院士告诉你,怎样才能学好数学?】复制这条信息€80cKc€ZjlaWx€后打开👉今日头条极速版👈 林群院士很谦虚,自称很笨, 看到200页的数学教科书头也会晕: 他用学习Calculus例子,批评"教科书不教真理,只教证明 (Proof)" : …把简单道理讲得很复杂: …其实一个日常生活的案例(火车 Case), 就可以解释清楚。 Note: 林群院士是第一个把复杂吓人的Cauchy Epsilon-Delta Analysis (aka Advanced Calculus) 用中学数学简单化。 Video: 大自然的悟性发现数学: … 文学 《The War & The Peace》: 托尔斯泰用Calculus 证明Napoleon 必败。 "不是你听不懂数学,是数学老师教得不好。" https://baike.baidu.com/wikisecond/videoflow?secondId=332699&lemmaId=11364&from=lemma&feedInlemma=1

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Singlish Math : Toa-Cah-Soh大脚嫂

Originally posted on Math Online Tom Circle:
In Chinese school Sec 3 we had to memorize by hard these 3 Trigonometric formula: 正弦 sin, 馀弦cos, 正切 tan, 对边比斜边= sin, 邻边比斜边= cos, 对边比邻边= tan, … 凶数学老师叫一个个学生轮流从座位上站起来背诵,不会背就罚站。 她说学高数”三角” (Trigonometry) 第一步就是死记这个公式。我最反感无趣味的学习,违背”数学精神” (Mathematical Spirit)…

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Primary School Math

Originally posted on Math Online Tom Circle:
Given: 3 circles of radius 2 Find: Shaded Area? Hint: Sum of 3 angles in the triangle = π = 1/2 (2π) =1/2 circle => its Area = 1/2(π. 2^2) = 2π =…

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The World’s Most Beautiful Equation : Euler’s Identity

Originally posted on Math Online Tom Circle:
Prof Loh (CMU) is the 2019 USA IMO coach whose team (5 ABC, 1 White) co-won the IMO Championship with China. … https://youtu.be/IUTGFQpKaPU

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Dunman High DSA

Dunman High DSA Tips Dunman High is a good school that has a very good school culture. It is strong in several CCAs (Co-curricular activities). Its Chinese Orchestra is exceptionally good (and large in terms of numbers), in fact most … Continue reading

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Free Software for Meta Analysis (OpenMeta Analyst)

Open Meta Analyst Review Open Meta-Analyst (http://www.cebm.brown.edu/openmeta/#) is a free software developed by professors in Brown University, for Meta Analysis. Previously we reviewed another free software RevMan5. RevMan5 is very good at doing meta analysis with placebo control groups. What … Continue reading

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How to do Forest Plots using Software

According to many online reviews, an easy way to do Forest Plots (Forrest Plots) is supposedly to use the free RevMan software. RevMan (currently RevMan5) can be downloaded here. RevMan is a software geared towards medical statistical analysis. RevMan is … Continue reading

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Spicy Sticky Rice Cake (Tteokbokki)

Originally posted on Cooking For Fun:
It’s a Korean style dish. I love almost all the food made from sticky rice. For the sticky rice cake, I bought from supermarket. It’s vacuum pack. Sticky rice cake is very hard and…

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Math High-Pay Career in Data Science

Originally posted on Math Online Tom Circle:
https://towardsdatascience.com/data-science-jobs-with-their-salaries-171acd3bf9be Gone are the days where Math graduates were destined to low-pay teachers in the 60s to 90s. Now Math career is the hottest high pay job in the 2 key engines of…

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Walnut Banana Bread

Originally posted on Cooking For Fun:
Banana is one of my husband’s favorite fruit. But sometimes, He forgot to eat them, and banana got ripe very quickly. So I would use them to make smoothie or cake or bread. This…

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A Programmer’s Regret: Neglecting Math at University – Adenoid Adventures

Originally posted on Math Online Tom Circle:
Advanced Programming needs Advanced Math: eg. Video Game Animation: Verlet Integration AI: Stats, Probability, Calculus, Linear Algebra Search Engine : PageRank: Linear Algebra Abstraction in Program “Polymorphism” : Monoid, Category, Functor, Monad Program…

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IMO 2019

Originally posted on Math Online Tom Circle:
【打破美国35年纪录的天才,与中国奥数、信息学双料冠军的巅峰对决】 https://m.toutiaocdn.com/group/6714952524924715531/?app=news_article_lite&timestamp=1563521442&req_id=20190719153042010152029169696E814&group_id=6714952524924715531&tt_from=android_share&utm_medium=toutiao_android&utm_campaign=client_share USA Team (2016 & 2018 World Champion) : China IMO Team : … … 【2019国际数学奥赛结果公布 中美两国并列团体冠军】 https://m.toutiaocdn.com/group/6715594110440309261/?app=news_article_lite&timestamp=1563682066&req_id=20190721120745010025067136905FD11&group_id=6715594110440309261&tt_from=android_share&utm_medium=toutiao_android&utm_campaign=client_share Two observations: 1. Why almost all Chinese in top China, USA, Canada, NZ, Singapore…

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10部关于数学的顶级纪录片,带你进入奇幻之门

Originally posted on Math Online Tom Circle:
【10部关于数学的顶级纪录片,带你进入奇幻之门】 https://m.toutiaocdn.com/group/6719737122653209101/?app=news_article_lite&timestamp=1564575985&req_id=201907312026250101520222026997CB8&group_id=6719737122653209101&tt_from=android_share&utm_medium=toutiao_android&utm_campaign=client_share 10 Math Videos: The Joy of Math The Joy of Stats The Joy of Logic The Code A Brilliant Madness The Great Math Mystery How Long is a piece of string…

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What to read to fall in love with Math

Originally posted on Math Online Tom Circle:
Find the last 2 in Singapore NLB libraries: “The Joy of X” , “How to bake Pi”

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Forest Plot Correct Spelling and what is “Forrest Plot”

The original spelling is “Forest plot”, the name refers to the forest of lines produced. In September 1990, Richard Peto joked that the plot was named after a breast cancer researcher called Pat Forrest and as a result the name … Continue reading

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Ribs & Seaweed Soup

Originally posted on Cooking For Fun:
My husband doesn’t like seaweed. But I think seaweed is really good for health. Yet, he doesn’t say no to seaweed soup. So I made this soup for him. Since I used dry seaweed,…

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Choosing which statistical test to use

The top video on YouTube on how to choose an appropriate statistical test.

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New PSLE System favors “All Rounders” over “Specialists”

Originally posted on Singapore Maths Tuition:
The new PSLE system clearly favors “all-rounders” over “specialists”. Scenario 1: Math-Whiz VS All-Rounder Imagine a Math/Science-whiz with Math:100 (AL 1) Science: 98 (AL 1) English: 84 (AL 3) Chinese: 84 (AL 3) Total…

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Mushroom Sauced Chicken Chop With Penne

Originally posted on Cooking For Fun:
Prepare a boneless chicken leg. Cut it slightly to prevent curling up while cooking. Season it with salt and black pepper. Heat a pan. Usually I don’t add in oil, cos chicken leg contains…

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Convert Excel to LaTeX

This tool https://www.tablesgenerator.com/ is a lifesaver if you are trying to convert Excel tables to LaTeX format. LaTeX tables are notoriously difficult and tedious to write manually. If you already have an Excel (or .csv) table, you can easily change … Continue reading

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SCGS Mathematics

SCGS (Singapore Chinese Girls’ School) follows the IP system, with students having the option to continue to Eunoia Junior College, the newest JC. SCGS IP Mathematics SCGS IP Mathematics is still split into E Maths (Elementary Mathematics) and A Maths … Continue reading

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Braised Pork & Rib Soup Bento

Originally posted on Cooking For Fun:
The rule of my husband’s bento: there must be at least 1 meat dish. This time, I tried pork. Prepare soup. Cos soup is time-consuming. I can let the soup on the stove while…

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Applications of Sig Fig Calculator

Applications of Sig Fig Calculator   Mathematics is all about presence of mind and high standard conceptual knowledge. These days, you have technological tools to perform the critical steps and provide you with 100% correct answers. When you talk about … Continue reading

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Gain Higher Grades through Well Written Assignments

Gain Higher Grades through Well Written Assignments One thing is for sure that the human being of the past was a better human being compared to the human being of today. The age that we live in is called ‘space … Continue reading

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Sweet & Sour Ribs (糖醋排骨)

Originally posted on Cooking For Fun:
Wash ribs in water. Put all the ribs in a deep pot. Add in enough water. Bring it to boil for 3-5 mins. Take out all the ribs and rinse under water. Heat a…

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Singtel Dash $3 Cashback and other Promos

Hi! Get up to $3 cashback when you make your 1st transaction via Singtel Dash! Sign up with this link now – https://appserver.dash.com.sg:443/mgm?DASH-2I2KM .T&Cs apply. For those using Singtel postpaid, do note that paying with Singtel Dash essentially means free … Continue reading

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Zong Zi Again!

Originally posted on Cooking For Fun:
There are still some bamboo leaves left in my fridge since last time I made zongzi (sticky rice dumplings). Last Wednesday was my resting day. No work, no need to go out. So I…

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WordAds Appeal Successful

Recently, I managed to appeal successfully for WordAds to be run on my other site https://chinesetuition88.com/. Previously, it was rejected a few years ago in 2016 due to insufficient traffic. The appeal process is quite simple: simply log in to … Continue reading

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Soy Sauce Chicken & Tamago Yaki Bento

Originally posted on Cooking For Fun:
Actually I cooked half soy sauce chicken. It’s quite simple and can be done by rice cooker. Put the half chicken (approx. 300-400g) in a big bowl. Sprinkle a little oil and light soy…

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New Math applied in Modern Physics

Originally posted on Math Online Tom Circle:
【文小刚:物理学的新革命——凝聚态物理中的近代数学 | 众妙之门】 https://m.toutiaocdn.com/group/6712424299841454595/?app=news_article_lite&timestamp=1562923076&req_id=20190712171755010152027098774DD5D&group_id=6712424299841454595&tt_from=android_share&utm_medium=toutiao_android&utm_campaign=client_share Keywords: Quantum Entanglement (QE) : 量子纠缠 Topological Order (Long-range QE) : 拓扑序 Topological Insulator (Short-range QE) : 拓扑绝缘体 Rigid State : 凝聚态 Cohomology : 上同调 Tensor : 张量 Category…

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5G Polar Codes Dr. Erdal Arikan

Originally posted on Math Online Tom Circle:
Dr. Erdal Arikan (1958 -) of Bilkent University, Turkey, recieved his PhD in MIT at the age of 27. Huawei Award: The Father of Polar Codes (极化码) Industry watchers believe that the selection…

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“Poisson Distribution Intuition (and derivation)”

Originally posted on Math Online Tom Circle:
“Poisson Distribution Intuition (and derivation)” by Aerin Kim 🙏 https://link.medium.com/bho611jxSX Poisson was a 19CE French mathematician, or Statistician, who invented the Poisson Distribution. Note: “Applied” Math vs “Pure” (aka Modern / Abstract) Math…

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丘成桐:数理与人文(原创完整版)

Originally posted on Math Online Tom Circle:
【丘成桐:数理与人文(原创完整版)】 https://m.toutiaocdn.com/group/6685925279874941444/?app=news_article_lite&timestamp=1561828635&req_id=20190630011715010152030216506C006&group_id=6685925279874941444&tt_from=android_share&utm_medium=toutiao_android&utm_campaign=client_share (想看更多合你口味的内容,马上下载 今日头条) http://app.toutiao.com/news_article/?utm_source=link

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China Gaokao 2019 Interesting Math Question

Originally posted on Math Online Tom Circle:
Gaokao = Baccalaureate = GCE A Level …[Solution scrolled below] … … … … … … … … … … … … … … … … … … … … … … ……

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Viral Chinese 2019 Gaokao Question

Originally posted on Math Online Tom Circle:
Gaokao 高考 = Baccalaureate = Cambridge GCE A-Level Hint: f(x+1) = 2f(x) tells the height = f(x) double when x moves to x + 1 => periodicity is 1 Like Sine or Cosine…

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数学大师的数学启蒙书

Originally posted on Math Online Tom Circle:
【大师的数学启蒙书】 https://m.toutiaocdn.com/group/6712914606001488391/?app=news_article_lite&timestamp=1562988400&req_id=201907131126390100180730727967601&group_id=6712914606001488391&tt_from=android_share&utm_medium=toutiao_android&utm_campaign=client_share Abel / Gauss 自修数学经验: Read Directly from the Masters – 自接读大师的书 (而非读其他人注解的书) 下面这2本数学经典 "葵花宝典"(有中译版) 是WW1&2 前 世界第一流 宗师 (Noether’s ‘Abstract Algebra’ , Hardy’s ‘Number Theory’ ) 的杰作,值得阅读,收藏。 1. Modern Algebra 史上第一本抽象代数的书:…

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Simple groups, Lie groups, and the search for symmetry

Originally posted on Math Online Tom Circle:
Math History | NJ Wildberger Summary: Normal subgroup Quotient Group Finite Simple Group: Z5, D5,… Tesselation (regular) Platonic solids … Two families of Group : Symmetric Groups: Sn Linear Group: GL(n) = M,…

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Alibaba “Damo” Global Math Competition

Originally posted on Math Online Tom Circle:
https://m.damo.alibaba.com/alibaba-global-mathematics-competition/ Jack Ma is a kongfu fan, his Alibaba offices all named under the Kongfu heroes, eg. Damo Academy. “Damo” 达摩 (Bodhidharma) was an indian Buddhist monk who came to China in 5th…

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RSA Encryption – Number Theory

Originally posted on Math Online Tom Circle:
https://dev.to/renegadecoder94/understanding-the-number-theory-behind-rsa-encryption-1pdo Background knowledge: 1. Group 2. Cardinality : Euler Totient Function Note: A linguistic remark: The Latin word “totiens” (or “toties”) means “that/so many times”.

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Homotopy Type Theory: Vladimir Voevodsky

Originally posted on Math Online Tom Circle:
A self-study Math genius Vladimir Voevodsky, Fields Medalist, Russian. https://youtu.be/v5a5BYZwRx8 Voevodsky borrowed idea from Computer Science (“Interface” =hide implementation details) to Math, and vice-versa, from Math to Computer Science : Homotopy Type Theory…

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Characters, Symbols and the Unicode Miracle

Originally posted on Math Online Tom Circle:
Unicode UTF-8: 7-bit ASCII (127 characters) was invented on the back of a napkin by computer scientist in 1960s Unicode (UTF-8) was invented for WWW Web in 1990s, backward compatible with ASCII 100,000…

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Learn Calculus With These Four Online Courses

Originally posted on Math Online Tom Circle:
https://lifehacker.com/learn-calculus-with-these-four-online-courses-1836377912/amp Four Online Free Calculus Courses: 1. http://www-math.mit.edu/~djk/calculus_beginners/ 2. “Calculus Made Easy” (1910 ) http://calculusmadeeasy.org/ 3. “Essence of Calculus” (12 short videos, with Chinese subtitle) https://youtu.be/WUvTyaaNkzM 4. [Best👍] “Calculus” (MIT Prof Gilbert Strang)…

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Teriyaki Chicken with Pan-Seared Portobello Mushroom

Originally posted on Cooking For Fun:
Teriyaki Chicken: 1. Prepare a whole boneless chicken leg. Sprinkle a little salt and black pepper. 2. Use the back of knife to hit chicken a bit. 3. Heat a pan on stove. When…

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