A series of powerpoint slides John used for tutorials, plus postscript versions, can be found at ftp://ftp.scriptics.com/pub/tcl/doc/tut.tar.Z .
... 1.89% Asian, 0.03% Pacific Islander, 0.62% from other races, and 1.04% from two or more races. 3.33% of the population are Hispanic or Latino of any race. There ...