1 ~= 1 ----> none 1 ~= 2 ----> 2 1 ~= 0 ----> 0 -1 ~= 0 ----> 0 1 ~= -2 ----> -2 -1 ~= -0 ----> 0 1. ~= 1 ----> none 1 ~= 2. ----> 2.0 1. ~= 0. ----> 0.0 -1 ~= 0. ----> 0.0 1. ~= -2 ----> -2.0 -1 ~= -0. ----> 0.0 Run-time error 102 at line 21 in expr79.icn numeric expected offending value: "a"