Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
calculator
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:discontinued |
1988
|
| gptkbp:displayType |
gptkb:LCD
|
| gptkbp:features |
matrix operations
symbolic computation algebraic manipulation scientific functions graphing capabilities |
| gptkbp:formFactor |
clamshell
|
| https://www.w3.org/2000/01/rdf-schema#label |
HP-28C
|
| gptkbp:input |
alphanumeric keyboard
|
| gptkbp:introduced |
1987
|
| gptkbp:manufacturer |
gptkb:Hewlett-Packard
|
| gptkbp:powerSource |
3 N-size batteries
|
| gptkbp:predecessor |
HP-18C
|
| gptkbp:programmingLanguage |
gptkb:RPL
|
| gptkbp:RAM |
2 KB
|
| gptkbp:series |
HP-28 series
|
| gptkbp:successor |
HP-28S
|
| gptkbp:bfsParent |
gptkb:HP_calculators
|
| gptkbp:bfsLayer |
6
|