Converting numbers to and from the format of the current locale

A locale is a set of formatting conventions associated with a particular national language and geographic area. For example, depending on the locale with which a client workstation is configured, a decimal value such as 1111.22 can be represented with any of the following strings:
As another example, a negative number such as -78 can be represented as:

The methods numberToString() and stringToNumber() perform conversions between a number (that is, a variable or immediate value of type integer or type double, such as 1111.22) and its representation in the current locale (a string, such as '1111.22', '1,111.22', or '1111,22').