# Generated Numeric Field Functions

> The eXtremeDB numeric database fields are of type `numeric` or `decimal` which have generated functions in addition to those for scalar types. Please use the links in the following table to view details and examples of these generated APIs:

> classname_fieldname_from_chars() | Convert character string to an 8 byte integer value
> classname_fieldname_to_chars() | Convert the 8 byte integer value to a character string
> classname_fieldname_put_chars(numeric or decimal) | Assign a numeric value from a character string argument
> classname_fieldname_get_chars(numeric or decimal) | Return a numeric value in character string format