+
+Y conjugates. Pervasive.
+Y
+2j3 ⍝ 2j¯3
X+Y adds, with leading agreement.
X+Y
2+3 ⍝ 5 10+1 2 3 ⍝ 11 12 13
Character offsets are integral Unicode code-point offsets.
'a'+3 ⍝ 'd'