19th January 2001 at 00:00
John Harrison will be giving a talk about Numdrum at the Mathematical Association's annual conference at the University College of St Martin, Lancaster, April 8-11.

Single Numdrums pound;2, with Teachers' Notes pound;2.50. Classroom sets (30 Numdrums in large storageteahing drum) pound;69. Post and packing included. Available from J T Harrison, Unit 6, Woodgates Farm, Broxted CM6 2BN. Telfax: 01279 850566.

Websites: (in dutch) E-mail: harrison_uk_2000 Mobile: 07836 242932

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