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John A. Ball (Algorithms...RPN Calcs) Sighting
01-13-2021, 01:13 AM
Post: #2
smartin Offline
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RE: John A. Ball (Algorithms...RPN Calcs) Sighting
Yes, that's him.

Regrettably:

notice of his death
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RE: John A. Ball (Algorithms...RPN Calcs) Sighting - smartin - 01-13-2021 01:13 AM



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