Murray Bourne

"Teaching is meaningful." [Malcolm Gladwell, in Outliers]

Nice photo of a scary Halloween pumpkin, but the equation has little to do with the pumpkin: https://www.flickr.com/photos/30499684@N00/1796940533

Eating chocolate may help improve your maths https://www.telegraph.co.uk/foodanddrink/foodanddrinknews/5094374/How-eating-chocolate-can-help-improve-your-maths.html (Note: "Research" funded by Mars corporation)

"Our heads are round so that thoughts can change direction." [Francis Picabia, French avant-garde painter, 1879-1953]

Boy to girlfriend: "You're very 1/cos(c)!"

We keep telling the government - we don't want automated robo-debt, or data centres everywhere, or aged-care assessment by algorithm, or non-professional NDIS decisions. Employ real people. Pay real wages. Fix hospitals & schools. Tax the squillionaires & giant companies. Can't be any clearer.

Domain and range exploration applet: https://www.intmath.com/functions-and-graphs/domain-range-interactive.php

First and second derivatives:

"The earth, our home, is beginning to look more and more like an immense pile of filth. In many parts of the planet, the elderly lament that once beautiful landscapes are now covered with rubbish." [Pope Francis]

"Old math teachers never die, they just tend to infinity." [Anon]

"Old teachers never die; they just lose their class." [Anon]

"Old principals never die, they just lose their faculties." [Anon]

What happens in the brain when we solve math problems? https://www.intmath.com/blog/learn-math/math-problem-solving-and-brain-activity-1262

"Decimals have a point." ^_^ [Anon]

"A mathematics teacher is a midwife to ideas." [George Polya]

"Every student needs someone who says, simply, 'You mean something. You count.'" [Tony Kushner]

Ques: How many books can you put into an empty backpack? Ans: One. After that it is not empty.

"The ladder of success is best climbed by stepping on the rungs of opportunity." [Ayn Rand]

Popular video: Math class needs a makeover https://www.intmath.com/blog/videos/friday-math-movie-dan-meyer-math-class-needs-a-makeover-4574

"The generation of random numbers is too important to be left to chance." [Robert R. Coveyou, US research mathematician at the Oak Ridge National Laboratory, 1915-1996]

"One of the truest tests of integrity is its blunt refusal to be compromised." [Chinua Achebe, Nigerian novelist, poet, professor, and critic, 1930-2013]

Interesting data on the TIMSS international comparison of 600,000 math students http://www.timss.org/ East Asia is still top. Little gender difference.

"Choose only one master: Nature." [Rembrandt]

A hypotenuse is the longest side of a right triangle.

You can use your own photo in the Math of Beauty applet: https://www.intmath.com/numbers/math-of-beauty.php

"As stewards of God’s creation, we are called to make the earth a beautiful garden for the human family. When we destroy our forests, ravage our soil and pollute our seas, we betray that noble calling." [Pope Francis]

"In mathematics you don't understand things. You just get used to them." [Johann von Neumann]

Wi-Phi open access philosophy. https://wi-phi.com/ Includes math and a section on Descartes.

"If it's important to you, you will find a way. If not, you'll find an excuse." [Jim Rohn]

Today at 6:02 AM is the start of Mole Day (named after Avogadro's Number, 6.02 * 10^23). https://www.moleday.org/

Fourier Series chapter in IntMath: https://www.intmath.com/fourier-series/fourier-intro.php Applications in electronics, sound, etc.

Today is Mole Day, commemorating Avogadro's Number (6.02 x 10^23). https://www.moleday.org/

Q: What is the number of molecules in a mole of guacamole? Ans: Avocado's number.

5 Subjects Not Taught In School (But They Should Be) https://stemreadings.wordpress.com/2013/06/22/5-subjects-not-taught-in-school-but-they-should-be/ (by Edudemic)

"We are usually convinced more easily by reasons we have found ourselves than by those which have occurred to others." [Pascal]

"A journey of a thousand miles must begin with a single step." [Lao Tzu]

Send math easily in an email. https://www.intmath.com/help/send-math-email.php

"Each community can take from the bounty of the earth whatever it needs for subsistence, but it also has the duty to protect the earth and to ensure its fruitfulness for coming generations." [Pope Francis, in Laudato Si]

"An expert is someone who knows some of the worst mistakes that can be made in his subject, and how to avoid them." [Heisenberg]

"In a consumer society there are inevitably two kinds of slaves: the prisoners of addiction and the prisoners of envy." [Ivan Illich]

"The greatest achievement was at first, and for a time, but a dream." [Napoleon Hill]

Infinity plus infinity:

What's the maximum value of a Poisson distribution? https://www.intmath.com/blog/mathematics/maximum-value-of-a-poisson-distribution-4327

"The only way to learn mathematics is to do mathematics." [Paul Halmos]

Happy birthday to Martin Gardner, mathematics and science writer. (b. 21 Oct 1914, d. 2010)

"To make a film, we have to direct almost 200 billion pixels. That's a lot of mathematics." [Iñigo Quilez, Pixar]

"Education is the acquisition of the art of the utilisation of knowledge." [Alfred North Whitehead]

"Information is not knowledge." [Albert Einstein]

Collection of YouTube videos on math: https://www.intmath.com/blog/videos