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## Happy Chinese New Year

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## How to opt out of WhatsApp sharing your information with Facebook

## “I LOVE YOU” Math Graph

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## Mr Heng, however, noted that how well a child does in school depends on how motivated he is.

## Study Tips from MIT

# Tooling and Studying: Effective Breaks

## Shifts must be made in education system to prepare young for future: Heng Swee Keat

## Formula to guess Month of Birthday from Singapore NRIC

## Latest Update: We have created a JavaScript App to Guess Birthday Month from NRIC

## The formula is: take the **3rd **and **4th **digit of the NRIC, put them together, **divide by 10, and multiply by 3**.

## Mathematician gives evidence at the O.J Simpson trial, helped find diamonds and now is determining the cause of cancer.

## Teachers have profound effect on students, says Heng Swee Keat

## Japanese Math Professor Excellent Optical Illusionist

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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It includes additional material not found on this website, including educational news and others.

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Source: http://www.androidcentral.com/how-opt-out-sharing-your-information-facebook-whatsapp-android

In 2014, Facebook bought WhatsApp for a whopping $21.8 billion. WhatsApp users everywhere went, “Oh, no. This can’t be good.” That feeling has finally come to fruition in that WhatsApp will now start sharing your information with Facebook –*including your phone number*.

If you don’t want Facebook getting ahold of your WhatsApp info, you can opt out in one of two ways.

Click on the link above to read the method to opt out.

This is how to plot “I LOVE YOU” using Math Graphs (many piecewise functions plotted together).

Interesting? Share it using the buttons below this post!

Source: Found it on Weibo (China’s version of Facebook)

Love and Math: The Heart of Hidden Reality

What if you had to take an art class in which you were only taught how to paint a fence? What if you were never shown the paintings of van Gogh and Picasso, weren’t even told they existed? Alas, this is how math is taught, and so for most of us it becomes the intellectual equivalent of watching paint dry.

In *Love and Math*, renowned mathematician Edward Frenkel reveals a side of math we’ve never seen, suffused with all the beauty and elegance of a work of art. In this heartfelt and passionate book, Frenkel shows that mathematics, far from occupying a specialist niche, goes to the heart of all matter, uniting us across cultures, time, and space.

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**Featured book:**

Coding the Matrix: Linear Algebra through Applications to Computer Science

Google’s signature ranking algorithm “PageRank” is heavily based on linear algebra! Read the above book to find out more!

An engaging introduction to vectors and matrices and the algorithms that operate on them, intended for the student who knows how to program. Mathematical concepts and computational problems are motivated by applications in computer science. The reader learns by *doing*, writing programs to implement the mathematical concepts and using them to carry out tasks and explore the applications. Examples include: error-correcting codes, transformations in graphics, face detection, encryption and secret-sharing, integer factoring, removing perspective from an image, PageRank (Google’s ranking algorithm), and cancer detection from cell features. A companion web site,

codingthematrix.com

provides data and support code. Most of the assignments can be auto-graded online. Over two hundred illustrations, including a selection of relevant *xkcd* comics.

Chapters: *The Function*, *The Field*, *The Vector*, *The Vector Space*, *The Matrix*, *The Basis*,*Dimension*, *Gaussian Elimination*, *The Inner Product*, *Special Bases*, *The Singular Value Decomposition*, *The Eigenvector*, *The Linear Program*

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Source: http://www.channelnewsasia.com/news/singapore/parents-urged-to-consider/898332.html

Minister for Education Heng Swee Keat has said parents should consider other factors apart from a school’s previous year cut-off point (COP) when helping their P6 children decide on which secondary school to choose.

Minister for Education Heng Swee Keat (Photo: MOE)

SINGAPORE: Minister for Education Heng Swee Keat has said parents should consider other factors apart from a school’s previous year cut-off point (COP) when helping their P6 children decide on which secondary school to choose.

Writing on his Facebook page, Mr Heng said it would be good for parents to have an open talk with their children to know what type of secondary school they are interested in.

…

**Mr Heng, however, noted that how well a child does in school depends on how motivated he is.**

So he encourages parents to carefully consider the kind of environment that will best motivate their children, and enable them to develop themselves fully in the next four to five years.

Some children, he said, are late developers and the right environment helps them thrive.

Mr Heng urged parents to think of how best they can help their children **develop confidence and enjoy the space to discover his talents and passions.**

Continue reading at http://www.channelnewsasia.com/news/singapore/parents-urged-to-consider/898332.html

Source: http://web.mit.edu/uaap/learning/study/breaks.html

Even as an MIT student, you can’t study all the time. In fact, we learn better by switching gears frequently. Here are some tips for breaking up your study time effectively.

**Approach the same material in several different ways.**This increases learning by using different brain pathways. Read a textbook section, aloud if possible, then review your lecture notes on the same concept. Write a one-sentence summary of a chapter or a set of questions to test your understanding. Then move on to the next textbook section.**Study in blocks of time.**Generally, studying in one-hour blocks is most effective (50 minutes of study with a ten-minute break). Shorter periods can be fine for studying notes and memorizing materials, but longer periods are needed for problem-solving tasks, psets, and writing papers.**Break down large projects**(papers, psets, research) into smaller tasks. The Assignment Timeline can help with this. Check off each task on your to-do list as you finish it, then take a well-earned break.**Plan regular breaks.**When building a schedule for the term, srategically add several regular breaks between classes and in the evenings. Take 20-30 minutes; never work through these scheduled breaks. Our minds need an occasional rest in order to stay alert and productive, and you can look forward to a reward as you study. If your living group has a 10 pm study break, or you have a circle of friends that likes to go out for ice cream together at 7 on Wednesdays, put that on your schedule. These small, brief gatherings will become more welcome as the term intensifies.**Get up and move.**Research shows that sitting for more than three hours a day can shorten your life by up to two years. At least every hour, stand up, stretch, do some yoga or jumping jacks, or take a walk, and breathe deeply.**Schedule meals**to relax and unwind with friends; don’t just inhale food while tooling.**Turn off your phone while studying and on when you take a break.**You may think you are multitasking when you text someone while reading or doing problems, but often the reverse is true. An assignment done while texting or following tweets will likely take two or three times longer and not turn out as well.- If you tend to lose track of time while using your phone or computer,
**schedule fixed times for Facebook**and other fun things, and set an alarm to remind you of the end of that period.

Source: http://www.channelnewsasia.com/news/singapore/shifts-must-be-made-in/879902.html

SINGAPORE: Education Minister Heng Swee Keat has said that two important shifts must be made in the education system in order to prepare the young for the future.

In a Facebook post on Friday evening, Mr Heng said firstly, the education system must **help the young acquire deep skills** and **integrate theory with practice through applied learning**.

Secondly, the system should make it easier for students **to continue learning in their areas of strength** and interest, and **encourage lifelong learning**.

Mr Heng said the education system needs to better **link the interest and strengths of students to jobs of the future**.

He explained that **when students develop a deep interest, when their imagination is captured, they can go on to do wonderful things**.

Website: http://mathtuition88.blogspot.sg/2014/12/javascript-app-to-calculate-birthdate.html

Here is a Math Formula trick to have fun with your friends, to **guess their Month of Birthday** **given their NRIC**, within two tries.

(** only works for Singapore citizens born after 1970**)

For an example, if a person’s NRIC is S88**04**xxxx, we take 04, **divide by 10** to get 0.4

Then, 0.4 **multiplied by 3 **gives 1.2

Then, guess that the person is either born in **January (round down 1.2 to 1) or February (round up 1.2 to 2)**. There is a high chance that you are right! Usually, round up for the first six months (Jan to Jun), and round down for the last six months (Jul to Dec).

This formula was developed and tested by me. There are some exceptions to the rule, but generally it works fine especially for people born from 1980 to 2000.

Hope you have fun with maths, and impress your friends!

Who says Mathematics is useless? It can be useful one day in your career, or just for increasing your general knowledge.

**Mathematician Professor Terry Speed wins PM’s science prize**

*Source:* News Limited

** The man who last night won the Prime Minister’s Science Prize agrees maths is “not sexy” but it saw him give evidence at the O.J Simpson trial, helped find diamonds and now is determining the cause of cancer. **

Mathematician Professor Terry Speed was called as an expert witness for O.J. Simpson in the famous 1995 murder trial where he **helped explain to the jury how statistics underpinning DNA worked**.

Simpson was acquitted after a trial that lasted more than eight months because his lawyers were able to persuade the jurors that there was reasonable doubt about the DNA evidence.

Forty five years ago Professor Speed testified at the trial of Ronald Ryan, the last man to be hanged in Australia.

He had to explain the **geometry of the trajectory of bullets** in the case.

In an extensive career the 70 year old statistics whiz has helped **determine the size and distribution of Argyle diamonds and looked at kangaroo genomics**.

Right now he is working at the **cutting edge of medical science** helping scientists develop statistical tools to understand the huge volumes of information coming from the human genome.

Work he’s done for a company on a **thyroid cancer diagnostic test could help prevent thousands of people from having their thyroids removed unnecessarily**.

At present some thyroid tests are inconclusive and tumours are removed even though they turn out to be benign leaving the patient taking hormone replacement therapy for the rest of their lives.

Some of his work is in developing tools that find which genes or gene characteristics may cause cancer if they are switched on or off.

Professor Speed says part of the reason so many people don’t want to study maths and science is they don’t see its potential.

He’s spent his life applying **mathematical theories to crime, farming, mining and medical science.**

Source: http://www.channelnewsasia.com/news/singapore/teachers-have-profound/803528.html

Education Minister Heng Swee Keat said teachers “grow knowledge, instill beliefs, inculcate values, nurture passion, and in so doing, they shape the future” of students.

File photo: Minister for Education Heng Swee Keat

SINGAPORE: Education Minister Heng Swee Keat said on Thursday “teachers affect all of us more deeply” than one can know.

In a Facebook post ahead of Teachers’ Day on Friday, Mr Heng sent his warmest thoughts and admiration to all teachers who dedicate themselves to bringing out the best in children.

In the tribute to all teachers, Mr Heng said they “grow knowledge, instill beliefs, inculcate values, nurture passion, and in so doing, they shape the future” of their students.

He added that every child who grows up confident and compassionate has been affected by a caring teacher in some way.

Mr Heng said in order to give every child a profound educational experience, every teacher must be a caring educator.

Continue reading at http://www.channelnewsasia.com/news/singapore/teachers-have-profound/803528.html

Source: http://www.youtube.com/watch?v=Wx4yi5m8IfI

**Uploaded on Mar 8, 2011 **

Japanese mathematics professor Kokichi Sugihara spends much of his time in a world where up is down and three dimensions are really only two. Professor Sugihara is one of the world’s leading exponents of optical illusion, a mathematical art-form that he says could have application in the real world.

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Three sloped ramps are aligned along three of the four sides of a square. Each ramp appears to be sloped in the same direction but when a marble is placed at one end of the ramp it seems to defy gravity.

It’s called an “anti-gravity slide”. Only when the the entire structure is turned 180 degrees, is the illusion revealed.

Japanese mathematics professor Kokichi Sugihara from the Meiji Institute near Tokyo, has made a career of creating optical illusions. He’s devised and built more than a hundred of them, like this one called “Perches and a Ring”.

[Kokichi Sugihara, Meiji University Professor]: “Among these models, there are those which are reproductions of optical illusions, and others that seem like normal models, but when you add movement to them, they show movement that should be impossible in real life. This is done by using the same trick, and I call them ‘impossible motions’.”

Professor Sugihara’s “impossible motions” have been recognized around the world. He won first prize in an international competition last year with this one, called “Magnet-Like Slopes”.

Sugihara says the success of his illusions is tied to human perception. Because humans have the capacity to perceive two-dimensional objects as being three-dimensional, they can be fooled into believing that something “impossible” is taking place during the course of the illusion.

For Sugiraha the illusions aren’t just for amusement. He says they have real world application. For example, he says misjudgments made by drivers on steeply curved roads could be mitigated by changing their perceptions of the immediate environment.

[Kokichi Sugihara, Meiji University Professor]: “If we can find how drivers misjudge an incline, we would be able to construct roads where these incidents are less likely to happen. In other cases, we could also reorganize the surrounding environment so that drivers could more easily see the difference between an ascending and descending road, and it could lead to reducing traffic jams.”

Sugihara says says his dream is to create playground amusements – even buildings with his models. More immediately though he has plans for an “impossible object exhibition”, a venue to demonstrate that seeing really is believing.