Use members of the constants class to manipulate constants and parameters that the execution engine uses.
| Function | Description |
| bitmax | Maximum unsigned floating-point integer |
| eps | Machine precision |
| inf | Infinity |
| namelengthmax | Maximum length of variable names |
| nan | Not-a-number |
| pi | Pi |
| realmax | Maximum positive floating-point number |
| realmin | Minimum positive floating-point number |