Actual comment page here.


  http://www.mathmagical.co.uk/Mathematics/CalcPuz.html


He's (even) more didactic about it than I.


        R

On 14 March 2012 15:44, cdb <colin@btech-online.co.uk> wrote:
> Here we are - the website that originally started all this off 9(or those
> looking for a proper maths teacher :) ).
>
> http://www.pilearn.com/
>
> Warning, people who enter, might be gone some time.
>
> Colin
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> cdb, colin@btech-online.co.uk on 14/03/2012
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