⎕DR DR
Data Representation (Monadic) R←⎕DR Y
Monadic ⎕DR returns the type of its argument Y. The result R is an integer scalar containing one of the following values. Note that the internal representation and data types for character data differ between the Unicode and Classic Editions.
Table 1: Unicode Edition | Value | Data Type |
| 11 | 1 bit Boolean |
| 80 | 8 bits character |
| 83 | 8 bits signed integer |
| 160 | 16 bits character |
| 163 | 16 bits signed integer |
| 320 | 32 bits character |
| 323 | 32 bits signed integer |
| 326 | Pointer (32-bit or 64-bit as appropriate) |
| 645 | 64 bits Floating |
| 1287 | 128 bits Decimal |
| 1289 | 128 bits Complex |
Table 2: Classic Edition | Value | Data Type |
| 11 | 1 bit Boolean |
| 82 | 8 bits character |
| 83 | 8 bits signed integer |
| 163 | 16 bits signed integer |
| 323 | 32 bits signed integer |
| 326 | Pointer (32-bit or 64-bit as appropriate) |
| 645 | 64 bits Floating |
| 1287 | 128 bits Decimal |
| 1289 | 128 bits Complex |