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- HP_Continuous_memory abstract "The term continuous memory was coined by Hewlett-Packard (HP) to describe a unique feature of certain HP calculators whereby the calculator could internally sustain most, or in later models - all, of the contents of user memory (via battery-backed CMOS memory). Since its introduction on the HP-25C, this feature slowly evolved by model to eventually mean maintaining the contents of nearly all calculator memory, including system and scratch RAM, options, settings, flags, and other calculator state information.Before the introduction of the HP-25C in 1976, all calculator random-access memory (RAM) was volatile, i.e. its contents (esp. user data in storage registers and any user programs) were cleared when the calculator was turned off. Three early models with this improved, continuous memory - the HP-25C, HP-29C, and HP-19C - actually had the words " Continuous Memory " printed in conspicuous, white script on the bottom margin of their faceplates. The "C" in the model designations was to distinguish those models within HP's calculator product line. HP did not print this phrase on subsequent, featured models because the novelty of continuous memory had by then faded and also because it could no longer claim it as a feature unique to HP calculators (Texas Instruments would later call their identical feature "Constant Memory"). At introduction over the next 9 years (approx. 1979-1987), subsequent HP models so featured simply had designations in which the letter "C" followed the model number, e.g. the HP-34C and the HP-10C series.".
- HP_Continuous_memory wikiPageID "6053018".
- HP_Continuous_memory wikiPageRevisionID "603864699".
- HP_Continuous_memory hasPhotoCollection HP_Continuous_memory.
- HP_Continuous_memory subject Category:HP_calculators.
- HP_Continuous_memory type Calculator109887034.
- HP_Continuous_memory type CausalAgent100007347.
- HP_Continuous_memory type Expert109617867.
- HP_Continuous_memory type HPCalculators.
- HP_Continuous_memory type LivingThing100004258.
- HP_Continuous_memory type Object100002684.
- HP_Continuous_memory type Organism100004475.
- HP_Continuous_memory type Person100007846.
- HP_Continuous_memory type PhysicalEntity100001930.
- HP_Continuous_memory type Whole100003553.
- HP_Continuous_memory type YagoLegalActor.
- HP_Continuous_memory type YagoLegalActorGeo.
- HP_Continuous_memory comment "The term continuous memory was coined by Hewlett-Packard (HP) to describe a unique feature of certain HP calculators whereby the calculator could internally sustain most, or in later models - all, of the contents of user memory (via battery-backed CMOS memory).".
- HP_Continuous_memory label "HP Continuous memory".
- HP_Continuous_memory sameAs m.0fmq2h.
- HP_Continuous_memory sameAs Q5635656.
- HP_Continuous_memory sameAs Q5635656.
- HP_Continuous_memory sameAs HP_Continuous_memory.
- HP_Continuous_memory wasDerivedFrom HP_Continuous_memory?oldid=603864699.
- HP_Continuous_memory isPrimaryTopicOf HP_Continuous_memory.