- Across
1. The inverse of +/, i.e. the first difference of V
6. 1²'[(A)]'
9. 1¼4
10. Accept numeric input; call it NMV
11. Negate the vector MB and show its running total, LIFO (last in, first out) basis
13. Given distinct values in A, return ¼½A without using ½
14. Where T is found in V
15. (R§11)½11/V
16. The elements of V, capped at 99
...
(For those of you blissfully unaware of what APL is, it was one of the first programming languages that was almost indistinguishable from line noise: far worse than Perl, nearly as bad as Teco. See also Intercal.)