"If all men knew what others say of them, there would not be four friends in the world." [Blaise Pascal, philosopher and mathematician, 1623-1662]

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

"Young men should prove theorems, old men should write books." [G. H. Hardy]

Happy Teachers' Day to educators in Peru!

"A heatwave culls the most vulnerable people. But as heat waves become more intense and more common, they will become more democratic." [Jeff Goodell, in "Heat Life and Death on a Scorched Planet"]

"You can't do anything about the length of your life, but you can do something about its width and depth." [H.L. Mencken]

"Animal factories are one more sign of the extent to which our technological capacities have advanced faster than our ethics." [Peter Singer, Australian philosopher and professor of bioethics, b. 1946]

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

"Logic is the hygiene the mathematician practices to keep his ideas healthy and strong." [Hermann Weyl]

"Math is like love - a simple idea but it can get complicated." [Anon]

"The worst form of inequality is to try to make unequal things equal." [Aristotle]

"God exists since mathematics is consistent, and the devil exists since its consistency cannot be proved." [Hermann Weyl]

Alcohol and calculus don't mix. Never drink and derive:

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

"If you don't know where you're going, you'll never get there." [Yogi Berra]

www.youtube.com/shorts/48X6Q... Makes a lot of sense to me.

Jeff Blackburn recreates Florence Nightingale's famous "Coxcomb" data viz: https://public.tableau.com/app/profile/jeff.blackburn7226/viz/Assignment2-PartAFlorenceNightingale/Dashboardv1 Nightingale used the chart to advocate for medical reform.

"Since the mathematicians have invaded the theory of relativity, I don't understand it myself anymore." [Albert Einstein]

"Art is an attempt to bring order out of chaos." [Stephen Sondheim, US composer and lyricist. 1930-2021]

"All is number." [Pythagoras of Samos, 580 - 500 BCE]

Achieving smooth animations in JSXGraph is a challenge, but can be done. https://bourne2learn.com/math/jsxgraph/animate-points-efficiently-jsxgraph.php

"Seek simplicity, and distrust it." [Alfred Whitehead 1861-1947]

"Tell me, I'll forget. Show me, I may remember. Involve me, I'll understand." [maybe Confucius, Ben Franklin, Cherokee, or perhaps John Gay]

"God doesn't play dice with the universe." [Albert Einstein]

"There can be no economy where there is no efficiency." [Benjamin Disraeli, British Conservative politician, 1804-1881]

"Truth is ever to be found in simplicity, and not in the multiplicity and confusion of things." [Isaac Newton]

My father's experiences as a prisoner of war in Japanese-occupied Singapore, then Korea: https://bourne2learn.com/history/awb/

THIS IS THE WAY‼️✊ "The Spanish government has blacklisted U.S. data analytics giant Palantir Technologies from public and private state-controlled companies due to growing concerns over the potential misuse of classified national security information."

Sex ratio by country. Blue represents more males, red more females than the world average of 1.01 males/female. Source: https://en.wikipedia.org/wiki/Human_sex_ratio

My talk at 2020 JSXGraph conference, where I encourage developers to produce mobile-friendly graph apps: https://bourne2learn.com/math/jsxgraph/jsxgraph-conference-talk.php (slides)

July is National Ice Cream Month (US). Around 1.5 billion gallons are consumed per year, 28% is vanilla.

Happy birthday, Gottfried Leibniz (born 1 Jul 1646, developed integral calculus in parallel with Isaac Newton).

"The most powerful method of improving education is to invest in the improvement of teaching & the status of great teachers." [Ken Robinson, British author, speaker and international advisor on education, b. 1950]

"Nature is an infinite sphere of which the center is everywhere and the circumference nowhere." [Blaise Pascal, French mathematician, physicist, inventor, and philosopher, 1623-1662]

"The propagandist’s purpose is to make one set of people forget that certain other sets of people are human." [Aldous Huxley, English novelist and philosopher, author of Brave New World, 1894-1963]

Life expectancy and semi-log graphs: https://www.intmath.com/blog/mathematics/life-expectancy-and-semi-log-graphs-1380

"The more I see of men, the better I like my dog." [Blaise Pascal, French mathematician, physicist, inventor, philosopher, and Catholic writer, 1623-1662]

Happy Teachers' Day to educators in Dominican Republic!

Here’s a classic AUKUS job, to head the Australian Submarine Agency. Great salary, great benefits, big budget, hundreds of staff, lots of gold braid and no annoying submarines to have to manage. Any takers?

"Circles to square and cubes to double would give a man exercise trouble." [Matthew Prior, English poet and diplomat, 1664-1721]

"I'll be sufficiently rewarded if when telling it to others you will not claim the discovery as your own, but will say it was mine." [Thales, Greek mathematician, astronomer and pre-Socratic philosopher, 626-548 BCE]

An "annulus" is the figure bounded by and containing the area between two concentric circles. In plain English, a flattened doughnut.

Matrix multiplication and inverse calculator - add your own numbers. https://www.intmath.com/matrices-determinants/matrix-calculator.php

"If we place technology before student enquiry, we rob ourselves of our greatest tool: student questions." [Ramsey Musallam]

"A wise man proportions his belief to the evidence." [David Hume, 18th century philosopher, historian and economist]

How is it the power grid couldn’t handle electric cars but it will be fine with all these data centers?

"Later mathematicians will regard set theory as a disease from which one has recovered." [Henri Poincare, French mathematician, theoretical physicist, engineer, and philosopher of science, 1854-1912]

"I have had my results for a long time: but I do not yet know how I am to arrive at them." [Carl Friedrich Gauss, German mathematician and physicist, 1777-1855]

OECD population data: https://data.oecd.org/society.htm#profile-Demography (interactive charts)

Data centers are harming every environment they are placed in.