This has been around on BBC 1 & BBC 2 for some time now and has been removed from iplayer. I found a copy, uploaded it to our private YouTube channel and am now loading it here. Hope you all enjoy this trip down memory lane, or should that be a trip down the sidings?
[URL='
']The Joy Of Sets[/URL]
I've completely forgotten how to load YouTube videos! Could someone put the answer in the help section please?
