1 = 1 ----> 1 1 = 2 ----> none 1 = 0 ----> none -1 = 0 ----> none 1 = -2 ----> none -1 = -0 ----> none 1. = 1 ----> 1.0 1 = 2. ----> none 1. = 0. ----> none -1 = 0. ----> none 1. = -2 ----> none -1 = -0. ----> none Run-time error 102 at line 21 in expr78.icn numeric expected offending value: "a"