APL examples

  ⌈3.14         |⁻12          ÷10
4             12            0.1   

  1≠2           2≥1
0             1

  1 2 3 4+1.1 2.2 3.3 4.4
2.1 4.2 6.3 8.4

  FOO←'surely you can''t be serious.'

  ⁻7○.75       2 3⍴⍳6
0.972955     1 2 3
             4 5 6