⍺ is a variable like any other (except that is has special meaning inside a lambda function). You get VALUE ERROR because it has not been assigned a value.
Regards, Elias On 11 May 2014 08:59, Akiva Avraham <akiva.avra...@gmail.com> wrote: > Grabbing this example from the microapl page, I'm getting this error: > > "9999" ⍺ 101 15 > VALUE ERROR > '9999' ⍺ 101 15 > ^ > > > > http://www.microapl.com/apl_help/ch_020_020_670.htm > -- >