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Additional Pictures 

 

This HP-70 Financial Calculator was manufactured in August 1974 by
Hewlett Packard in the United States (Date code 1431A » wk 31 yr 1974).
The HP-70 is powered by 3 AA-sized rechargeable batteries.


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If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, December 3, 2023. No reprints without written permission.