• Question: I don't understand your joke, what does it mean?

    Asked by Masuma to Huw on 11 Mar 2015. This question was also asked by 284appb35.
    • Photo: Huw Williams

      Huw Williams answered on 11 Mar 2015:


      Hi Masuma,

      it’s a puzzle to solve but here’s a hint. 🙂

      √(-1) = I
      Σ = Sum

      Huw

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