# Anomalous Cancellation on 2-Digit Numbers/Historical Note

## Historical Note on Anomalous Cancellation on 2-Digit Numbers

According to David Wells in his $1986$ work *Curious and Interesting Numbers*, this result, as well as some others, was demonstrated by Alfred Moessner in Volumes 19 and 20 of *Scripta Mathematica*, but it has proven difficult to find an archived copy to consult directly.