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Full Version: Does a HP-41C work without a battery??
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Recently, I saw a picture of a 41C with a power supply plugged into its side but neither batteries nor a "power pack" inserted in its back. It was claimed that the calc works this way. Can that be true? I've never seen such a configuration before.

Yes, this was planned by HP but they never released the related power adapter, this was done by a third party company. See this thread for more details.
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