November 11, 2000. Auditório da Cas da Música, Óbidos, Portugal.
Associated with this launch, the Sociedade Portuguesa de Matemática distributed copies to all their 2,800 members with the Autumn 2000 issue of their Bulletin.
November 16, 2000. Main Lecture Theatre, School of Mathematics, Dean Street, Bangor.
September 23-24 2000. Mathematics and Art Weekend, Oxford University Department of Continuing Education, Oxford.
March 10, 2001. Presentation to Relatives and Friends, Royal Institution Mathematics Masterclasses, Bangor.