Jot Underbar ⍛
Jot Underbar is a Dyadic Operator
Operator Jot Underbar Means
⍝ Is it a palindrome?
⌽⍛≡ 'Dyalog'
0
⌽⍛≡ 'racecar'
1
⍝ Drop from the right
4-⍛↓'Dyalog APL'
Dyalog
⍝ Is it a palindrome?
⌽⍛≡ 'Dyalog'
0
⌽⍛≡ 'racecar'
1
⍝ Drop from the right
4-⍛↓'Dyalog APL'
Dyalog