Pardon my ignorance as I am sure this is old hat for most of you but I recently came into quite a few 1970s HP Calculators and am in the process of evaluating them for functionality. All seem fine for the most part except the Spice series, none of which power up. I have tried several power supplies and some do nothing while otheres just flash random numbers. Is it possibly because I have no batteries for these and am trying to turn them on with only the power supply connected? I got no battery packs for these and am also wondering where I should get them if available. I searched the trouble shooting on this web site and found no battery info pertaining to shis series.
Spice series issues
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