Wrong, but Useful: Episode 26

In this month's thrilling instalment of the world's #1 maths chatter podcast, @reflectivemaths (Dave) and I discuss...

  • The number of the podcast: 1000000000000066600000000000001, Belfigore's prime.
  • The rollercoaster question and the role of common sense in exams
  • Colin’s reading: The Trachtenberg Speed System of Basic Mathematics
  • Traffic maths and simulations -- Colin recommends Traffic by Tom Vanderbilt
  • Continued fractions, and how to do sums with them
  • New ACME Science podcast (The Other Half)
  • Previous quiz: gold star for @JoshuaZucker; explanation to follow in a blog post towards the end of June
  • Puzzle, stolen from @aap03102: if you consider all of the arrangements of the letters of MATHS and place them in alphabetical order, where in the list is "MATHS"?


Colin is a Weymouth maths tutor, author of several Maths For Dummies books and A-level maths guides. He started Flying Colours Maths in 2008. He lives with an espresso pot and nothing to prove.


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