## Follow Your Passion in Math

April 18, 2018 Leave a comment

Grow your passion by motivating practice like the 11-year-old Math Marvel

“Chess is a mathematical poem” – *Aarushi Maheshwari *

Math and Logic Puzzles

April 18, 2018 Leave a comment

Grow your passion by motivating practice like the 11-year-old Math Marvel

“Chess is a mathematical poem” – *Aarushi Maheshwari *

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March 9, 2018 Leave a comment

- Notches (cuts or indentation) on animal bones prove that humans have been doing
**mathematics since around 30,000 BC**. - Ancient Greeks used little rocks to represent numbers. The name of
**Calculus**means**pebbles**in Greek. - The
**=**sign (“equals sign”) was invented by**16th Century**Welsh mathematician Robert Recorde, who was fed up with writing “is equal to” in his equations. - The word
**hundred**is derived from the word “hundrath”, which actually means**120**and not 100. **Zero**(0) is the only number which cannot be represented by**Roman numerals**.- Many Chinese hospitals do not have a 4th floor because the words
**four**in Japanese, Cantonese, Mandarin and Korean (shi, sei, si, sa) sound the same as the words in those languages for**death**. **Forty**is the only number with letters in alphabetical order, while**one**is the only one with letters in reverse order.- The number
**5**is pronounced as ‘**Ha**‘ in Thai language. 555 is also used by some as slang for ‘HaHaHa’. **Zero**is an**even**number. Mathematicians remember it. Many people take longer to decide whether it is even or odd.

February 8, 2018 Leave a comment

**e ^{iπ} + 1 = 0**

Euler’s identity is often cited as an example of deep mathematical beauty.

*Constance Reid*: Euler’s identity is “the most famous formula in all mathematics”.

Euler’s Identity is a special case of his formula from complex analysis suggested by Swiss mathematician *Euler* in 1748.

The identity links five fundamental mathematical constants:

- The number
**0** - The number
**1** - The number
**π**(**π**= 3.141 . . .) - The number
(**e**= 2.718 . . .)**e** - The number
, the imaginary unit of the complex numbers.*i*

Euler’s Identity “is absolutely paradoxical; we cannot understand it, and we don’t know what it means, but we have proved it, and therefore we know it must be the truth”. – *Benjamin Peirce*.

January 1, 2018 Leave a comment

Aplusclcik team chose 17 Best Puzzles of 2017.

They are:

What country has the lowest birth rate in the World?

If certain words in this question are spelt wrong, how many of the eighteen words are spelt wrong?

A claustrophobic gentleman chooses his place in the train that will enter a tunnel just after the station. Where is the best place for him?

Read more at

December 8, 2017 Leave a comment

Alan Smith reported amazing statistics of adult numeracy:

2011 England Survey: **49 of 100** adults lacked of numeracy Level 1 skills (fractions, percentage, and decimals). *The figure is only shocking for 51% of population.*

OECD reported (PIAACX2012) that **forty percent** of USA young people aged 16-19 were below Level 2.

This is statistics. Statistics is a part of mathematics and it is about **us** as a group.

There are two categories of people who can and who cannot do numbers.

Are You in a category of people who are comfortable with numbers? Check / train yourself at the website A+Click

November 1, 2017 Leave a comment

How to explain the most complex ideas in simple terms?

Four steps of the Feynman technique are

- Write down everything new you learn about a subject in a notebook.
- Pretend to teach the topic in a classroom. Try to explain in a simple way.
- Go back to the books when you get stuck.
- Simplify and use analogies that everybody knows and understands.

“There is no better way to learn than to teach.” – Benjamin Whichcote

October 1, 2017 Leave a comment

The largest known prime number was discovered in 2016 by a computer laboratory of the University of Central Missouri .

**2 ^{57,885,161} – 1 **

is one of the Mersenne primes that can be written in form 2^{n} – 1, where n is an integer. They are named after 17-century French mathematician Marin Mersenne.

The number written in the decimal form contains 17 million digits.