The typing environment does not seem to work on non-ASCII characters: below, ∀, ≔ and ∈ drop out. Perhaps not available in monospace, substituting nothing.
\setupbodyfont[xits,10pt] \starttyping ∀(i, k) ∈ I×K: C(i, k) ≔ ∑_(j∈J) A(i, j)·B(j, k) \stoptyping ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________