From J. L. Budenz
As other correspondents have noted, Roger Silvester may well suffer from “dyscalculia”
(Letters, 9 May, p 58, and
30 May, p 57). I suggest he begins by
reading the useful online information provided by the Dyscalculia Forum at
http://www.shianet.org/~reneenew/mathLD.html.
London
