Officially you can't. However you can devise you own naming scheme, e.g.: set a_($i:$j) 100 That works just as if you had a a[i][j] = 100. I got it from Ousterhout's book. - Haobo On Wed, 18 Oct 2000, Debojyoti Dutta wrote: > hi, > > i have a small otcl doubt. can we use multidimensional arrays ? > > debo > >