Short: Calculates checksum in EAN13-codes 
Uploader: kirtap@delta.se (Patrik Jansson)
Author: kirtap@delta.se (Patrik Jansson)
type: dev/amos

Calculates checksum in EAN13-codes, also knowned as barcodes in 
Europe and America (might not work with American codes).
The requerments to run this prog is simply Amos or pen and paper. :)

Includes ascii version of program ONLY, to be able to easly convert to
QBasic or Vbasic on those typewriters....