The ATM Simple Calculator is used to calculate a ATM reference, using a check digit calculation proccess.
For the calculation is required a client ID SIBS (www.sibs.pt), a reference document composed of 7 numbers and the amount to be charged.
Streamline your receipts to your customers!
Briefly: send the reference by email.
Tips: appreciate suggestions from the users in order to improve the program
Note: If you find errors, please email the developer before placing negative comments.