There can be very little of present-day science and technology that is not dependent on complex numbers in one way or another. — Keith Devlin Copy Share Image
The whole apparatus of the calculus takes on an entirely different form when developed for the complex numbers. — Keith Devlin Copy Share Image
What is mathematics? Ask this question of person chosen at random, and you are likely to receive the answer "Mathematics is the… — Keith Devlin Copy Share Image
Indeed, nowadays no electrical engineer could get along without complex numbers, and neither could anyone working in aerodynamics or fluid dynamics. — Keith Devlin Copy Share Image
In addition to its use in arithmetic and science, the Hindu-Arabic number system is the only genuinely universal language on Earth, apart… — Keith Devlin Copy Share Image
The human brain finds it extremely hard to cope with a new level of abstraction. This is why it was well into… — Keith Devlin Copy Share Image
I saw the first one [video with Hans Rosling ] when he did - I think it was his first one - in 2006,… — Keith Devlin Copy Share Image
“Arithmetic and number theory study patterns of number and counting. Geometry studies patterns of shape. Calculus allows us to handle patterns of motion. Logic… — Keith Devlin Copy Share Image
I firmly believe that mathematics does not exist outside of humans. It is something we, as a species, invent. — Keith Devlin Copy Share Image
Hans Rosling typically would go into the room, and he would ask the audience questions. Often they had to answer them with clickers or… — Keith Devlin Copy Share Image
Some of the justifiable critiques has been by - been so successful in telling this story, you know, there's a danger of saying, oh,… — Keith Devlin Copy Share Image
Though the structures and patterns of mathematics reflect the structure of, and resonate in, the human mind every bit as much as do the… — Keith Devlin Copy Share Image
I certainly do care about measuring educational results. But what is an 'educational result?' The twinkling eyes of my students, together with their heartfelt… — Keith Devlin Copy Share Image
In fact, we tend to think things have been getting much worse. In fact, over the last 50 years, almost everything in the world… — Keith Devlin Copy Share Image
In fact, when you try to use [Hans Rosling] data to predict the future, all sorts of problems arise. But what it does do… — Keith Devlin Copy Share Image
Outside observers often assume that the more complicted a piece of mathematics is, the more mathematicians admire it. Nothing could be further from the… — Keith Devlin Copy Share Image
Mathematical thinking is not the same as doing mathematics - at least not as mathematics is typically presented in our school system. School math… — Keith Devlin Copy Share Image
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![“In fact, when you try to use [Hans Rosling] data…” quote by Keith Devlin](https://sms4smile.com/quotes/img-quotes/1a8/keith-devlin-19829_arise_in-fact-when-you-try-to-use-hans-rosling_1084549.jpg)
