A method is provided for displaying a numeric property value. The method includes (a) reading a file from a tangible computer-readable storage medium, the file containing a set of property display patterns, (b) extracting a particular property display code from the file, the particular property display pattern corresponding to the numeric property value to be displayed, (c) extracting a unit of measure and a reference to a conversion function from the particular property display pattern, (d) calling the referenced conversion function to perform a unit conversion on the numeric property value to convert from an internal unit of measure into an display unit of measure, and (e) displaying the converted numeric property value and the extracted unit of measure to a user. In another embodiment, software is provided for executing this method. Additional methods are provided for developing software.