| Subject | English | German |
| comp., MS | conditional expression | bedingter Ausdruck (An expression that yields a Boolean value (true or false). Such expressions can involve comparisons (testing values for equality or, for non-Boolean values, the < [less than] or > [greater than] relation) and logical combination (using Boolean operators such as AND, OR, and XOR) of Boolean expressions) |
| comp. | conditional expression | bedingter Ausdruck |
| transp., avia. | conditional expressions | Kennbuchstaben |
| tech. | simple conditional expression | einfacher Boolescher Ausdruck |