ISO/TS 10303-1526:2018-11 specifies the application module for
Numeric expression.

The following are within the scope of
ISO/TS 10303-1526:2018-11:

• the expressions definition that characterize its type (Numeric and Boolean);
• the constraints which ensure that an expression is semantically correct;
• the function that checks if an expression may be mapped on to the SQL query language.