Hi, dly;in J, a number never starts with a decimal point please refers to appendix of J dictionary.
thus 0.1 and .1 are equivalent in Fortran, but not in J. 1.1-.1 is parsed as 1.1 -. 1 but not 1.1 - .1 and -. is a another verb totally differ from -
regards, bill ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
