Author Archives: mathtuition88

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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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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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The Summer 2017 Mathematics A To Z: Ricci Tensor

Originally posted on nebusresearch:
Today’s is technically a request from Elke Stangl, author of the Elkemental Force blog. I think it’s also me setting out my own petard for self-hoisting, as my recollection is that I tossed off a mention…

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Oven Roasted Vegetables

Originally posted on Cooking For Fun:
I roasted potato, cauliflower, carrot by oven before. I always wanted to try roasting different kinds of vegetables at one time. And I did it today. Preheat oven to  200 Degree C. Prepare vegetables.…

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Lemon Butter Sauce Salmon

Originally posted on Cooking For Fun:
It’s actually very simple to make. Cut salmon fillet into smaller strips. Season with salt and pepper. Heat a pan. Cut in 2 Tbsp butter. When butter melts, place salmon in with skin side…

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10-20-30 Rule for Powerpoint

Just learnt this interesting guideline for Powerpoint presentations: 10 slides for a 20 minute presentation font size of 30 (minimum) See also: http://sixminutes.dlugan.com/10-20-30-rule-guy-kawasaki-powerpoint/ This rule is invented by Guy Kawasaki, a famous author. Number of minutes per Powerpoint Slide Based … Continue reading

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Ox Tail & White Radish Soup

Originally posted on Cooking For Fun:
It’s a dish that I have wanted to try for a long time. It’s a time-consuming soup, which requires 5 hours. But I guarantee you its cooking method is simple and the soup is…

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Red Wine Oxtail Stew

Originally posted on Cooking For Fun:
I actually wrote a blog about red wine oxtail stew. But somehow it disappeared. Today, I cooked it again. So I rewrote it. Prepare oxtail. I used about 600g, 4 pieces. Place them in…

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Unsupervised Learning

There are 3 main categories of Machine Learning: Supervised Learning, Unsupervised Learning, and Reinforcement Learning. This is a nice and interesting to watch video on Unsupervised Learning:

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口试话题(Topics for Chinese Oral Test)

Originally posted on Chinese Tuition Singapore:
传统文化 Traditional Culture: 食物浪费 Food Wastage: 小贩中心文化申遗 Hwaker Center Applying for World Heritage: 打击网络假信息 Fake News: 包容性社会 Inclusive Society: 节约用水 Save Water: 母语学习 Chinese Learning: 个人代步工具 PMD 中学教育改革 Secondary Education Reform: 恐怖袭击 Terrorism: 义工服务…

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Imposter / “Fake” Amano Shrimp that Disappeared Totally

I just realized that 2 of the previous shrimp I bought may not be “true” Amano Shrimp. Basically, they lack the distinctive dots / dashes of true Amano shrimp. See also this site on an example of fake Amano shrimp: … Continue reading

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Free Logarithm Worksheet for Secondary School

Logarithm Worksheet (PDF): Logarithm Worksheet Comprises of 9 typical Logarithm questions of varying difficulty, with answer provided. Logarithm is a popular question topic for Additional Mathematics that appear in Secondary 3 or Secondary 4 A Maths. Most students have some … Continue reading

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Repair Macbook Audio Hardware Issue (Solved!)

Recently, I experienced a rather strange problem with my 5 year old Macbook Air: The audio stopped working completely. Even plugging a headphone into the earphone jack produced no sound. Going to the Sound Preferences produced the classic error of: … Continue reading

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Trip to Harbin

Originally posted on Cooking For Fun:
This June, while my husband and I went back to China to visit my family, we also went to Harbin for a short trip with my sister and mom. Harbin is located in northeastern…

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Do students really need tuition in Singapore?

In ideal conditions (good school teacher, good study habits of student), no tutor is needed. Sometimes, the student is unfortunately in a non-ideal condition. I have tutored students from top “branded” IP schools who encountered the following: – School teacher … Continue reading

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Living Proof: Stories of Resilience Along the Mathematical Journey

Originally posted on What's new:
The AMS and MAA have recently published (and made available online) a collection of essays entitled “Living Proof: Stories of Resilience Along the Mathematical Journey”.  Each author contributes a story of how they encountered…

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Introduction to Machine Learning

Very good introduction to Machine Learning by Google. Google is the developer of Tensorflow (on which the Keras package is built). The other platform for Machine Learning is Pytorch by Facebook. So far, the best introductory book to Machine Learning … Continue reading

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A Maths Topical Prelim Exam Papers

Additional Mathematics Topical Prelim Free Exam Papers PDF Exam Paper Questions download: Alpha beta questions “Alpha beta” questions, also known as quadratic roots questions, were first added into the ‘O’ level Additional Mathematics syllabus in 2014. They remain one of … Continue reading

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So, you want to become a money Manager?

Money management is a difficult task for many people. It is common to see people struggling with additional expenses, which pop up especially towards the end of the month. Then they have to wait for the salary to be credited … Continue reading

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No human being, however great or powerful, was ever so free as a fish

” No human being, however great or powerful, was ever so free as a fish” – John Ruskin The full context can be found here: https://biblehub.com/sermons/auth/ruskin/liberty_and_restraint.htm Romans 6:19-20 I speak after the manner of men because of the infirmity of … Continue reading

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Recommended China SIM Card

For travelling to China, it is recommended to get the SIM Card from ICC on Qoo10 (see link below). It has many benefits: Biggest benefit is that it can access WhatsApp/Google/Facebook which is otherwise blocked in China. The reason is … Continue reading

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5 Awesome Career Paths for Mathematics Lovers

5 Awesome Career Paths for Mathematics Lovers By Sarah Quek Unbeknownst to most, a career in mathematics goes beyond education. Mathematics might be one of the toughest subjects at any education level. But a solid understanding of key concepts and … Continue reading

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$1 Dunkin’ Donut Promotion (2 Donuts + 1 Coffee for just 1 dollar)

There is a little known and unbelievably worth it Dunkin’ Donut $1 promotion for 2 donuts and 1 cold brew coffee/ice coffee. The terms and conditions: You need to be a new Fave user. (This has to be your 1st … Continue reading

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Acceleration = d/dx (1/2 v^2)

Acceleration = : where is displacement, is velocity, and is acceleration. Proof: Also, Therefore, .

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Part Time Employees Law (Malaysia)

兼职员工是否受到劳工法的保障? 根据 2010 年雇佣(兼职员工)条例,兼职员工是指那些工作时间占全职员工工作时间的30% 至70%的人士。少过全职工作时间的30%属于散工,并不在此条例管辖范围。 在2010 年雇佣(兼职员工)条例下,兼职员工可享有公积金、社险、公假、年假、病假、休息日和超时津贴。 若雇主没有提供福利给兼职员工和不遵守2010 年雇佣(兼职员工)条例,违例者一旦被定罪,每项罪行可被罚款最高一万令吉。 兼职员工所受到的保障: 公积金和社险:雇主必须替兼职员工缴付公积金和社险。 有薪公共假期: 兼职员工有权享有不少于7 天宪报公布的有薪 公共假 期:其中四天必须是:国庆日,元首诞辰,苏丹或州元首 华诞或联邦直辖区日及劳动节. 休息日:兼职员工享有休息日,不过必须符合条件,即必须工作5天或一周工作时间不少过20 小时 超时工作津贴:兼职员工的工作时间只占全职工作时间的70%至100%, 他们是根据每小时1.0计算,若他们工作时间超过全职工作 时间,是以每小时1.5倍计算。 公假工作享有薪水和超时津贴:兼职员工在公共假期工作可享有2天的薪水,在超时津贴方 面,若工作占全职工作时间的70%至100%,可申领2 倍,若超过全职工作时间,可申领3倍。 休息日工作享有薪水和超时津贴:兼职员工在休息日工作可享有2天薪水,在超时津贴方面,若 工作占全职工作时间的70%至100%,可申领1.5倍,超过全职工作时间,可申领2倍. 享有年假和病假:兼职员工根据服务年限有权享有年假和病假。 年假: 工作少过两年者, 每十二个月不断 的服务可领取6 天; 工作两年但少过五年者, 每十二个月不断的服务可领 取8天; 工作超过五年者, 每十二个月不断的服务可领取11天 病假: 工作少过两年者, … Continue reading

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Fix4you Locksmith

Best Locksmith in Israel: fix4you-locksmith.co.il Speedy, fast, effective locksmith specializing in door repair, safety lock, repair of door handles and more. Locksmith is very important in the event of an emergency, e.g. you lost the keys or your lock is … Continue reading

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怎样写好作文?中国作家曹文轩为您幽默解答(详见视频23:36)

Originally posted on Chinese Tuition Singapore:
https://youtu.be/m0ptkmPpa2Y

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Being Good At Maths Can Help Your Kids Start Their Own Business

Every child is unique; every human with an entirely different set of fingerprints. Whether your child has the potential to be an engineer or a boss of their own, one thing remains inextricably part of life – math. Take it … Continue reading

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How to speak to Human Singtel Customer Officer

If you try calling the Singtel hotline 1688, you will spend most of your time to navigate the maze of options trying to speak to a human Singtel Customer Officer. I have not managed to successfully find the option to … Continue reading

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Best Machine Learning / Deep Learning Books

After some research, I find that the best book on Machine Learning / Deep Learning currently on the market is: Deep Learning with Python. It is written by François Chollet, who is the creator of the famous Keras library (Google … Continue reading

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Alexa Ranking Below 1 Million

Thanks to all readers, Mathtuition88 has reached Alexa Rank of below 1 Million! Current Global Rank: 983,883 SG Rank: 11,701 This is the first time Mathtuition88.com has broken the 1000,000 Alexa Rank barrier. For ranking, the lower the better. For … Continue reading

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Powerpac Ceramic Cooker Review

This should be the cheapest ceramic cooker on the market. PowerPac is a reliable Singaporean brand that has been on the market for quite some time. At the price of $29.90, the Ceramic Cooker even comes with a free stainless … Continue reading

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Free Philips Air Fryer (Enfagrow Promo)

Official URL: Enfagrow Homepage

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Betta Fish Tricks

Betta fish are quite intelligent and curious. I trained my Betta fish to do some simple tricks. I bought my 5 Gallon tank on Qoo10: Betta Fish Tank. The modern viewpoint is that Betta should not be kept in small bowls … Continue reading

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3D Rotation Matrices and Examples

The following rotation matrices rotate vectors by an angle in an anticlockwise direction about the -, -, or -axis respectively (the rotated axis points towards the observer). Example 1 Rotating anticlockwise about -axis: Example 2 Rotating anticlockwise about -axis:

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HDB Low Water Pressure: Phone Hotline

For those living near the top floor of HDB blocks, you may experience low water pressure since the water tanks are typically built at the rooftop of HDB flats. The pressure exerted by a column of liquid of height h … Continue reading

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Happy Chinese New Year

Happy Chinese New Year to all readers of Mathtuition88.com! Do check out and follow my Facebook page, where I post interesting news on Math/Education.

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Formula for 3×3 Matrix Inverse

Let Then, This method is about the same speed as the Gaussian-Elimination method. However, if you have already calculated det(A), using the formula may be slightly faster. The formula provides an insight on why A is singular (not invertible) if … Continue reading

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Men’s wallet with coin compartment Singapore

Despite many cashless initiatives like PayLah, Singapore is not yet a truly cashless country. Coins are still needed to buy coffee or tea at the “Kopitiam”, or to put a $1 coin for pushing a trolley at supermarkets. Even if … Continue reading

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Horned Nerite Snails

Some video footage of my new Horned Nerite Snails in the Betta Tank. Really amazing and bright colors. Taken using Canon PowerShot: Canon Camera and Camera Case Singapore The fish tank is 5 Gallon: Betta Fish Tank

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My most exciting Bishop’s Opening ever

Game URL: https://lichess.org/pKHiu5ey/white#1 I did make a few serious blunders, hence it is not my best game. But it is certainly quite exciting. My heart pounded furiously as I played 22. f6! sacrificing my queen… If my opponent takes the … Continue reading

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Forest Man of India

Previously, I blogged about the Mountain Man of India: Mountain Man Motivational Story Today, I learnt that there is also a Forest Man of India. By planting one tree a day (for many years), Jadav Payeng (a.k.a Forest Man of … Continue reading

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Goby and Shrimp Video (GEP Science)

Amazing “teamwork” between a goby fish and a shrimp! Basically, the shrimp is in charge of digging the burrow, but it is almost blind. The goby fish acts as the sentry to alert the shrimp in case of danger. This … Continue reading

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Python Online Courses for Teenagers/Adults

If your child is interested in a Computer Science/Data Science career in the future, do consider learning Python beforehand. Computer Science is getting very popular in Singapore again. To see how popular it is, just check out the latest cut-off … Continue reading

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Superposition Principle of Linear Algebra

Superposition Principle If is a solution to , and is a solution to , then is a solution to . Proof: Properties of Matrix Transpose 1) 2) 3) 4)

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Hangout @ Chinatown

Originally posted on Cooking For Fun:
Well, today I have one day off and my husband also has time. We planned to go to Chinatown and have lunch there. He wanted to try a nasi lemak restaurant there. It’s the…

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To those starting JC life in today’s Singapore

Originally posted on GP & English Tutor with First Class Honours, NUS:
[Writer’s note: While this article is addressed specifically to Singapore-based students, it may hold some truth for students in many other places as well.] Dear young friend, I’m…

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Malayan Aqua Fern

This “Malayan Aqua Fern” is a very mysterious plant, there is very little information on Google about it. There are two views on it, based on online writings. First viewpoint on Malayan Aqua Fern: The “Malayan Aqua Fern” is none … Continue reading

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Chromatic Fingering for Moonlight Sonata 3rd Movement

In Beethoven’s Moonlight Sonata 3rd movement, there is a very fast stretch of chromatic notes in bar 187. I was wondering if the most basic fingering is good, or a more advanced fingering involving the 4th or even 5th finger … Continue reading

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