Statements (57)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
calculator
|
| gptkbp:colors |
black
|
| gptkbp:design |
compact
|
| gptkbp:dimensions |
6.5 x 3.0 x 1.0 inches
|
| gptkbp:discontinued |
1975
|
| gptkbp:evaluates |
floating-point
|
| gptkbp:features |
scientific notation
lightweight stylish design user-friendly interface affordable price memory recall auto shut-off easy to use reliable performance factorial function reciprocal function robust construction durable design battery life indicator percentage calculations square root function clear display quick calculations memory clear memory store error indication parentheses support suitable for exams suitable for homework versatile functions |
| gptkbp:historicalSignificance |
early portable calculator
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sinclair Executive II
|
| gptkbp:influencedBy |
gptkb:Texas_Instruments_calculators
|
| gptkbp:inputOutput |
buttons
|
| gptkbp:isExpectedTo |
8
|
| gptkbp:keyIssues |
trigonometric functions
memory functions exponential functions logarithmic functions constant calculations |
| gptkbp:manufacturer |
gptkb:Sinclair_Research
|
| gptkbp:market |
gptkb:United_Kingdom
£29.95 |
| gptkbp:material |
plastic
|
| gptkbp:monitors |
LED
|
| gptkbp:numberOfFigures |
over 100
|
| gptkbp:powers |
battery
|
| gptkbp:primaryUser |
available online
|
| gptkbp:releaseYear |
1972
|
| gptkbp:successor |
gptkb:Sinclair_Scientific
gptkb:Sinclair_Cambridge |
| gptkbp:targetAudience |
students
engineers scientists |
| gptkbp:type |
scientific calculator
|
| gptkbp:weight |
0.5 kg
|