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These calculators have a port that allows the user to flash a new firmware. For that, a special cable is needed.

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Once the flashing has been done, the original firmware disappears and cannot be recovered. Hence the calculator guarantee is no more valid.

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As there are several versions available at a given time, the customer has to supply via email the desired firmware to flash. The customer has to be aware that the firmware may contain bugs - of which TheCalculatorStore.com cannot be made liable. We do not offer currently key overlays or key printing - additional information can be found at www.hpmuseum.org, and you can see more information in the video below:

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If the software provided is the wp34s, 10€ of the 15,00€ value will be donated to the project

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Please contact sales@thecalculatorstore.com for additional information

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