Author: Tim Foden
Date: 06:34:11 03/21/05
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On March 21, 2005 at 02:38:37, Dieter Buerssner wrote: >On March 20, 2005 at 20:20:40, Walter Faxon wrote: > >>Here is the BASIC program as sent to me by Bill (323 lines): > >Thanks. > >Many lines snipped ... > >It is over 20 years ago, since I programmed in Basic. > >>1040 DIM A(7, 7), U(1, 6): > >A is a 2 dimensional array with dimensions 7*7, yes? >And U? 1*6 does not seem to make too much sense (why would one want to have one >dimension of length 1)? > >>1100 U = -1 > >What does this mean? In BASIC you are allowed to have an array variable is a different type to a scalar. Thus the array U() is different to the scalar variable U. So in this case U = -1 means put -1 in U. Also U$ (string variable) is different to U& (long integer) and to U% (short integer) etc. > >>1320 U = U + 1: > >And this? What does the colon on the end of the line mean? And this means put U + 1 in to U. The : is a statement separator. Null statements are allowed. Cheers, Tim.
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