HP-55

URI: https://gptkb.org/entity/HP-55
GPTKB entity
Statements (18)
Predicate Object
gptkbp:instanceOf calculator
gptkbp:countryOfOrigin gptkb:United_States
gptkbp:discontinued 1977
gptkbp:displayType gptkb:LED
https://www.w3.org/2000/01/rdf-schema#label HP-55
gptkbp:input gptkb:Reverse_Polish_Notation
gptkbp:introduced 1975
gptkbp:manufacturer gptkb:Hewlett-Packard
gptkbp:memoryRegisters 20
gptkbp:notableFeature built-in stopwatch
gptkbp:partOf gptkb:HP_Classic_series
gptkbp:powerSource gptkb:battery
gptkbp:predecessor gptkb:HP-45
gptkbp:programSteps 49
gptkbp:successor gptkb:HP-Programmable_67
gptkbp:weight 255 grams
gptkbp:bfsParent gptkb:HP-45
gptkbp:bfsLayer 6