Hi, ⍝ works as expected (3) ↑ 'abcd' abc
⍝ works as expected too (,3) ↑ 'abcd' abc ⍝ looks like a bug here - IBM APL is OK (,3) ↑¨ 'abcd' 'wxyz' 'ssss' LENGTH ERROR (,3)↑¨'abcd' 'wxyz' 'ssss' ^ ^ ⍝ needs to be a scalar (,/,3) ↑¨ 'abcd' 'wxyz' 'ssss' abc wxy sss Best Regards Hans-Peter
