Category Archives: Uncategorized

Singapore PM Lee Hsien Loong Mentions Tropical Fish Shop in his speech on COVID-19

PM Lee Hsien Loong on the COVID-19 pandemic: “I am in this for a very long time to come. To sustain this, I need everybody’s cooperation – safe distancing, personal hygiene, cooperation when we are contact tracing and discipline when … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

Underwater Garden

Very low tech 5 gallon tank for my Phoenix Rasboras (Boraras Merah) and Neon Tetras. I just let the plants grow naturally without CO2, with occasional trimmings. If you look carefully, you can see the Horned Nerite Snail eggs (they … Continue reading

Posted in Uncategorized | Tagged , , , | 1 Comment

Home Cooked Food for My Dog Charlie

Originally posted on Cooking For Fun:
My husband and I got this poodle Charlie last month. Ever since this little cutie came to our house, our life completely changed. https://flic.kr/p/2iHQrgn https://flic.kr/p/2iHUJVg I feel so lucky to have such a little…

Posted in Uncategorized | 2 Comments

Buy surgical mask online Singapore

Just bought this Dotafa (4-ply surgical mask made in Vietnam) mask from Qoo10. The quality is good, with good thickness (see picture below). Delivery speed is fast as well (just 2 days using Qprime delivery). Only issue is the expensive … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

Where to buy surgical mask in Singapore

This is an update to the earlier post: Where to buy surgical mask Singapore. Summary: Basically, surgical masks are totally sold out in pharmacies like Watsons, Guardian, Unity, etc. Hand sanitizers are still in stock though, if you are interested … Continue reading

Posted in Uncategorized | Tagged , | 1 Comment

Shrimp Videos

I find that shrimp are just as interesting as fish to keep in an aquarium. Shrimp are very good at tidying/cleaning up the aquarium; it is a great idea to keep some shrimp whenever possible. The easiest shrimp to keep … Continue reading

Posted in Uncategorized | Tagged , , , , | Leave a comment

AR Mini Low Tech Day 50

Read more at: Alternanthera Reineckii Mini Low Tech Day 50 (12 March 2020): The aquarium light was upgraded around 10 days ago on 2 March 2020. It has helped the AR Mini in my opinion, making it slightly redder. The AR Mini is very … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

Ryo Watanabe Fish

In this video, popular fish YouTuber Ryo Watanabe is featuring the famous Clementi 328 (C328) Fish Store, arguably the best aquarium in the west (along with its neighboring shops in the stretch of Clementi Block 328). Clementi Block 328 is … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Pinterest Update

Previously, I tried using the automatic Pinterest RSS Feed but to no success. I even tried posting on the WordPress.com forum but again it did not address the problem. (To be fair, this is probably a problem on the Pinterest … Continue reading

Posted in Uncategorized | Tagged , | Leave a comment

Free COVID-19 Insurance (DBS/POSB customers)

I looked through this free insurance by DBS, there seems to be no “catch” to it, i.e. it is really a 100% free insurance for you. Maybe only “downside” is that you will have to provide your contact information which … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Anubias Rhizome tied too tight

Anubias tied too tightly I think one of my Anubias rhizomes died (rotted) due to it being tied too tightly. The Anubias rhizome is supposed to be hard and green, if it is soft or brown, something is wrong. For … Continue reading

Posted in Uncategorized | Tagged , , , , , , | Leave a comment

Hikari Shrimp Cuisine Review

I find this Hikari Shrimp Cuisine quite good. The pellets are quite small sized so you can control exactly how much you want to feed (down to each individual pellet). Hikari Inc AHK19404 Shrimp Cuisine 0.35 -Ounce How to feed … Continue reading

Posted in Uncategorized | Tagged , , , , , | Leave a comment

Toy Poodle Male Temperament

Just adopted a toy poodle (male). It is supposedly the 2nd most intelligent dog (after the Border Collie). I was quite surprised that it is quite a well-behaved small dog, that seldom barks. It is currently 3 months, and only … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

Domain Authority 31

Mathtuition88 has reached Domain Authority 31 (Moz DA). Thank you to all who have ever linked to mathtuition88.com!

Posted in Uncategorized | Tagged , | Leave a comment

IMO Coach : Drill vs Think Style

Originally posted on Math Online Tom Circle:
The USA IMO coach Prof Loh is the son of 2 Singaporean Math Prof (dad) & JC Math teacher (mom). He uses the Chinese “drill” style + American “think” style to beat China…

Posted in Uncategorized | Leave a comment

The Great American Math Teacher 《Stand & Deliver 》

Originally posted on Math Online Tom Circle:
https://m.toutiaocdn.com/group/6786617693777691144/?app=news_article_lite&timestamp=1580561339&req_id=202002012048590100120651491D5E0A50&group_id=6786617693777691144

Posted in Uncategorized | Leave a comment

Silver Ratio, Bronze Ratio… A general “Golden Ratio”

Originally posted on Math Online Tom Circle:
These 2 smart Singaporean students invented “Silver Ratio” , “Bronze Ratio” … equally good as the Golden Ratio. Recap: Golden Ratio https://plus.maths.org/content/silver-ratio

Posted in Uncategorized | Leave a comment

Without Leap Year 29/2, Winter would become Summer

Originally posted on Math Online Tom Circle:
https://youtu.be/hyerB4Ek8sU https://www.businessinsider.sg/leap-year-animation-how-february-29-maintains-seasons-2020-2/?r=US&IR=T

Posted in Uncategorized | Leave a comment

Music = Math + History

Originally posted on Math Online Tom Circle:
To really appreciate music, you must understand this Math & history : 5 notes to 7 notes to 12 notes. & fractions: 3/2, 3/4, 2/1 (octave) Music = Math + History 1. Ancient…

Posted in Uncategorized | Leave a comment

Ideal in Ring

Originally posted on Math Online Tom Circle:
Historical Background: Ideal (理想) was a by-product by mathematicians in the 350-year proof of the 17CE Fermat’s Last Theorem, wherein they found a violation of the existing “Fundemental Law of Arithmetic” (Unique Prime…

Posted in Uncategorized | Leave a comment

What are some best hacks to switch careers?

Just saw this post on Quora. Reblogging it here in case the original post gets deleted. Quite interesting advice, with a nice name of “monkey bar technique”. Originally Answered: What is the best way to change careers? My PhD advisor once … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Chai Discus Shop Tour by Ryo Watanabe

This Japanese boy Ryo Watanabe is currently based in Japan, but used to be in Singapore for some time (his mother works here). I think he is probably back in Singapore recently again based on his videos. Very amazing discus … Continue reading

Posted in Uncategorized | Tagged , , , , | 3 Comments

How to turn your blog into a book

This is something quite interesting. Possibly a very good idea for many bloggers — kill two birds with one stone (write a book while developing a blog). Source: How to turn your blog into a book (WordPress) We know many … Continue reading

Quote | Posted on by | Tagged , , , | 2 Comments

7 Essential Abilities To Be A Successful Entrepreneur 

7 Essential Abilities To Be A Successful Entrepreneur  Destination wanted by anyone who opens their particular company is a success.  However, despite the same objective, entrepreneurs can achieve success by taking very different paths. Regardless of the differences. Some values … Continue reading

Posted in Uncategorized | Leave a comment

Going Hungry In Singapore

Singapore is famous for its cheap hawker food, including the cheapest Michelin-starred meal in the world. Why does hunger, or food insecurity, still exist in this city? Food insecurity refers to the lack of reliable access to nutritious food due … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

GEP Test Format

There is limited information on the GEP Test Format on the official MOE website: IDENTIFICATION OF PUPILS FOR THE GEP The entry point into the GEP is at Primary 4. Pupils are identified for the GEP through a two-stage exercise … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

The Notorious Collatz conjecture

Terence Tao has uploaded his slides on the Collatz conjecture (targeted at high school students): https://terrytao.files.wordpress.com/2020/02/collatz.pdf A very enjoyable read indeed. The best “encyclopedic” reference on the Collatz conjecture is the one listed below, published by the American Math Society. … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Pinterest RSS Feed

Just testing my Pinterest RSS Feed. Set up a Pinterest account long ago but did not use it. Apparently Pinterest is useful for SEO, even more useful than Instagram which is mainly for branding. This is because Pinterest has backlinks … Continue reading

Posted in Uncategorized | Tagged , , , | 6 Comments

The Wisdom Of The Law – Homily by Archbishop William Goh (16 Feb 2020)

Due to the COVID-19 virus, all Catholic masses in Singapore are suspended (till further notice). A YouTube online mass is made available.

Posted in Uncategorized | Tagged , , , | Leave a comment

Preparation Tips for Examination For MBA

Preparation Tips for Examination For MBA The preparation for the CAT exam 2020  is slightly different for the type of aspirants appearing. It has a division into two sections: For first-time appearing aspirants Sol du Admission : If you are … Continue reading

Posted in Uncategorized | Leave a comment

IGRUA ENTRANCE EXAM 2020

IGRUA ENTRANCE EXAM 2020 The entry for the CPL course in IGRUA involves the selection process, which begins with the Online Written Exam (Computer-based), followed by the Interview Round and lastly the Pilot Aptitude/PT. To take an entry, aspirants are … Continue reading

Posted in Uncategorized | Leave a comment

Mosquito Rasbora & Neon Tetra

Mosquito Rasbora (Boraras Merah / Phoenix Rasbora) can live peacefully together with neon tetras! The neon tetras mostly ignore the smaller mosquito rasboras, except maybe during feeding time where they try to snatch the food. There has been zero aggression … Continue reading

Posted in Uncategorized | Tagged , , , , | 1 Comment

Should I fast my fish once a week?

Many aquarium hobbyists propose fasting their fish once a week (i.e. not feeding the fish one day every week). The benefits of doing so include: lower chance of constipation / bloating which may lead to swim bladder disease clear the … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

What is 8 ÷ 2(2+2) = ?

The correct answer, according to New York Times, is 16! The other popular answer is 1. The main idea is to use the BODMAS rule, to evaluate the bracket first. Then, it becomes 8÷2×4 = 4×4 = 16.

Posted in Uncategorized | Tagged , | 1 Comment

Jeff Bezos: How do you say no to annoying meeting requests?

Source: https://qz.com/work/1799193/jeff-bezos-on-how-to-say-no-to-meetings/ How do you respond: A) Yes, I’ll definitely meet with you. B) No, I won’t meet with you. C) Tell you what. Call so and so and they’ll work something out. D) Quietly resolve to become a shut-in. … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

Python (Anaconda) does not work with MacOS Catalina!

This is just to highlight that the Anaconda Python Distribution does not work with the latest MacOS Catalina. I only realized upon trying to open Anaconda Navigator, after installing Catalina. The only (good) solution seems to be reinstalling Anaconda. Source: … Continue reading

Posted in Uncategorized | Tagged , , , , | Leave a comment

LaTex Plot Axis 3D

There are many packages in LaTeX to plot 3D, including tikz-3dplot, and other exotic packages. The easiest one to use for plotting a simple 3D graph, with xyz axis and origin, is Pgfplots in my opinion. The code to plot … Continue reading

Posted in Uncategorized | Tagged , , , , | Leave a comment

Neon Tetra Bloated

Neon Tetra Bloated (Constipation) One of my neon tetras is bloated/constipated. It has trouble sinking, it is swimming heads down and tails up. Hopefully it does not progress to the dreaded swim bladder disease or dropsy. Possible reasons is that … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Convert Lichess Blitz Rating to FIDE

Previously, we have written a blog post on Lichess to FIDE Elo Rating Conversion. The formulae there still hold to some extent, but it is slightly outdated. We have updated the formula (using linear regression), using recent data in Feb 2020. … Continue reading

Posted in Uncategorized | Tagged , , | 1 Comment

Alternanthera Reineckii Mini Low Tech

Originally posted on Singapore Maths Tuition:
AR Mini Low Tech This blog post is an experiment on whether Alternanthera Reineckii Mini (AR Mini) can survive in a low tech (i.e. no CO2 supplementation) tank. The plant used is Tropica tissue…

Posted in Uncategorized | Leave a comment

Good Phrases for Chinese Compo

Good phrases for Chinese Composition Writing (Secondary school / Top Primary Students) Using a good phrase (correctly) can instantly add marks for your Chinese Compo (Composition), as it shows that the student is well-versed and adept in using Chinese Idioms/Proverbs. … Continue reading

Posted in Uncategorized | Leave a comment

Michelle Chong Ad (Elite School Funny Video)

Michelle Chong’s portrayal of a student from an elite school in Singapore (not hard to guess once you watch the video) is fantastic! LOL at the amazingly funny line “are you from my rival school, the one with the sleeveless … Continue reading

Posted in Uncategorized | Leave a comment

Mega Database of JC Prelim Papers

Link:  http://tinyurl.com/holygrailrepo2 This weirdly titled Google Drive (“Electric Boogaloo”) contains a mega-database of JC Prelim papers for most if not all subjects, even esoteric subjects like “Theatre Studies and Drama”. Exam papers ranges from H1 to H3, and from the … Continue reading

Posted in Uncategorized | Leave a comment

Wuhan Virus Swimming Pool

Wuhan Virus Swimming This post is all about whether the Wuhan coronavirus can spread in swimming pools. It is a top search in Google, however there is currently zero information about it. We will list down various sources on other … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

Where to buy surgical mask Singapore

You may first check out the nearest Guardian, Watsons or Unity near your place. Most likely, Guardian and Watsons are out of stock already, while Unity has a long queue. (I personally checked them out on 28 Jan near my … Continue reading

Posted in Uncategorized | Tagged , , | 2 Comments

Alternanthera Reineckii Mini Low Tech

AR Mini Low Tech This blog post is an experiment on whether Alternanthera Reineckii Mini (AR Mini) can survive in a low tech (i.e. no CO2 supplementation) tank. The plant used is Tropica tissue culture as shown below: Tropica Alternanthera … Continue reading

Posted in Uncategorized | Tagged , , , , | 3 Comments

LaTeX Horizontal Flowchart (Workflow)

Originally posted on Singapore Maths Tuition:
Source: https://tex.stackexchange.com/questions/368482/one-horizontal-line-flow-chart?rq=1 Just found an excellent source on how to draw a simple (slightly fanciful) horizontal flowchart using LaTeX (TikZ). The output is very neat: The code is reproduced here (in case the original…

Posted in Uncategorized | Leave a comment

Red plant in low tech tank

Just bought this red plant at a local fish store at just $2. I am thinking it is Ludwigia repens (or possibly other type of Ludwigia). Red plant (Ludwigia repens?) in low tech 5 gallon tank. No CO2. I bought … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

Amazon.sg DBS CNY Promotion 2020

Link: DBS Amazon.sg Promotion 1. What is the offer? Spend S$40 or more on Amazon.sg using your DBS/POSB card, and get S$10 added to your Amazon.sg Gift Card balance for use on a future purchase.  

Posted in Uncategorized | Tagged , | Leave a comment

Latex footnote without symbol/asterisk

How to suppress symbol for LaTeX footnote There are many solutions online, for example this Stack Exchange post. The one that worked for me is as follows: \documentclass{article} %write the following immediately after documentclass{} if possible. \makeatletter \def\blfootnote{\gdef\@thefnmark{}\@footnotetext} \makeatother Subsequently, … Continue reading

Posted in Uncategorized | Tagged , | Leave a comment