On Tue, Nov 16, 2010 at 8:33 AM, Dan Bron <j...@bron.us> wrote: > Oh, sorry, thinko: you wanted the first digit, and I gave you the last digit.
For getting the first decimal digit of a sequence of numbers, {.&.":&> seems more natural than anything involving #: or #.inv. An issue here is that #: and #.inv are designed to pad with leading zeros so that the columns align, and that just gets in the way. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm