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Simon Singh's Numbers Five Numbers Episodes

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  1. Infinity

    Georg Cantor defined infinity as the size of the never-ending list of counting numbers.

  2. The Imaginary Number

    If the square root of +1 is both +1 and -1, then what is the square root of -1?

  3. The Golden Ratio

    The ratio of consecutive numbers in the Fibonacci is close to 1.618, the Golden Ratio.

  4. Pi

    At its simplest, Pi is the ratio of the circumference of a circle to its diameter.

  5. Zero

    Strangely, 'nothing' had to be invented, and then it took thousands of years to catch on.