Tim, A should equal 4.242641. Apologies.
VV is double vee. Marcel, So when there is any chance that ACOS has to work on any number close to 1, or -1, a check such as IF VV>1 THEN : VV=1 has to be incorporated on every occasion? Takes some of the slickness off the programming. Colin 34 Taylor Avenue Kilbarchan Johnstone Renfrewshire PA10 2LS Tel/fax 01505 70 4471 _______________________________________________ QL-Users Mailing List
