Fun with numbers

Introduction

UIN/FIN structure

UIN/FIN algorithm

IP AnalysisCan the government really prohibit unauthorised use ?

Modulo 11 checksum

Reverse Engineering the FIN algorithm

21st century UINs - T & G prefix

Virtual ExperimentVerifying UIN/FIN check digits

21st century UIN/FIN check digit

Universal UIN/FIN Check Digit Algorithm

References

Points to Ponder