Container Digit Checker 2.5 has been re-released as FREEWARE, with absolutely no spyware, trojan, or virus.


What is it?
===========

In case you have downloaded it without knowing what it does. It is a program for verifying "container serial number" used on containerized cargo ship. This program can validate any container numbers that are ISO compliant, consists of 4-digits alphabetical characters followed by 7-digits numeric.


Terms and conditions
====================

It is FREE for personal use only but you are not allowed to distribute, disassemble, decompile, sell or modify it to claim as your own creation.

For commercial users, please kindly support by any donations any amount you like to encourage me to further enhance this and many other programs. Many thanks for your kind support!


Installation
============

This is a very dumb program with absolutely nothing to install or uninstall. Save it anywhere you like and run it by double click its icon. Delete it if you think it is dumb.


Version History
===============

Ver 1.0 - written on 25th Dec 2001 but not released.

Ver 2.0 - completed on 26th Dec 2001 and first released as shareware.

Ver 2.2 - enhance user input validation - fix a bug where 12 chars input being incorrectly validated as correct and additional check for 100% true ISO compliant prefix.

Ver 2.5 final - overall cosmetic redo, more user-friendly functions, added "force check" to allow other "strange" prefix to be verified, remove shareware nag and limitation, re-compiled and re-released as FREEWARE final version.

CRC: 30888C1F