ONE is the only number that’s the same in binary, base 10 and Roman Numerals.
It’s the wheels on a unicycle, the rails on a monorail and the players when you go solo.
One is the first odd number, the first triangular, square, pentagonal and hexagonal number, and the first tetrahedral, cube and Fibonacci number.
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On meeting this adorable litter of ten Dalmation Puppies the other day, I quickly spotted (ahem) the need for Dogarithms – the canine equivalent of logarithms. The conversation with dog breeder Maxine went something like this:
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Jane’s statement seem ridiculous – how can most people be better than average? Using some mathematical trickery, here’s how she could be logically correct.
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A FUN EXAMPLE: suppose we want to sort these items into “things with exactly four legs” (Set A), and “the rest” (not in Set A):
John Venn, zebra, cat, octopus, tripod, chair.
One way to do this would be to split them into two lists, but a far prettier way is to arrange them into a Venn Diagram with one circle:
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If you’re thinking about what he might mean by this, then it apparently means you exist – great news and congratulations!!
But the reason Descartes is my “hero of maths” for this month is because he also gives his name to CARTESIAN GEOMETRY – which is what you do when you plot the point (4,3) on a graph by going “along the corridor and up the stairs”. By the way, “Geometry” is a posh word for “Shapes”.
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