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‎09-30-2024 08:11 AM

HP Recommended

Is it possible upgrade HP12C calculator? How to?

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2 REPLIES 2

‎09-30-2024 08:23 AM

HP Recommended

You're a long ways from where you should be, both in terms of the forum and the time... that device was from 2008! However, we are a welcoming community so start here:

 

HP15c CE POGO programming cable (hpmuseum.org)

 

... and go from there.

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‎10-01-2024 04:27 AM - edited ‎10-01-2024 04:31 AM

HP Recommended

HP still sells this model

 

https://www.hp.com/us-en/shop/pdp/hp-12c-english-calculator?catalogId=10051&langId=-1&storeId=10151&...

 

https://www.thecalculatorstore.com/p/data-cable-for-hp-calculators

 

https://hpcalcs.com/downloads/apps/1_How_to_Use_the_Programming_Cable.pdf

 

note that the cable is different for pre 2015 year calculator's

 

The firmware update connector is located in the battery bay

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