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Sinclair Executive: History, Measurement & Companies

The Sinclair Executive was the world's first "slimline" pocket calculator, and the first to be produced by Clive Sinclair's company Sinclair Radionics. Introduced in 1972, the calculator was produced in at least two versions with different keyboard markings; a variant called the Sinclair Executive Memory was introduced in 1973.

Language: English [EN]
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Sinclair Executive topic overview

The analysis highlights History, Measurement and Companies as prominent areas in the source structure around Sinclair Executive.

Related topics
25
Source areas
3
Connected nodes
28
Extracted relationships
26
Concept neighborhoods
12
Bridge connections
28

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Design · 13 topics
Overview · 7 topics
History · 5 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Cost
£79.95
Dimensions
56 by 138 by 9 millimetres (2.20 in × 5.43 in × 0.35 in)
Display size
8 digits
Display type
Light-emitting diode
Frequency
200 kHz
Introduced
September 1972

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

History

Design

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Sinclair Executive connects Entity context

The extracted context around Sinclair Executive shows recurring relationship patterns in the source. For example, Sinclair Executive → According, Clive Sinclair's, Design Council Award, Design Magazine, Electronics, Financial Times, Iain Sinclair, It, Modern Art, Museum, New Scientist, New York City, One, Sinclair, The, The Executive Another extracted example is Sinclair Executive → £79.95. Use these groups to spot repeated connection types before inspecting the individual relationships.

Sinclair Executive

Top relations

related to Design · 16
Sinclair Executive → According, Clive Sinclair's, Design Council Award, Design Magazine, Electronics, Financial Times, Iain Sinclair, It, Modern Art, Museum, New Scientist, New York City, One, Sinclair, The, The Executive
Cost · 1
Sinclair Executive → £79.95
Dimensions · 1
Sinclair Executive → 56 by 138 by 9 millimetres (2.20 in × 5.43 in × 0.35 in)
Display size · 1
Sinclair Executive → 8 digits
Display type · 1
Sinclair Executive → Light-emitting diode
Frequency · 1
Sinclair Executive → 200 kHz
Introduced · 1
Sinclair Executive → September 1972
Invented by · 1
Sinclair Executive → Clive Sinclair
Power consumption · 1
Sinclair Executive → 20 milliwatts
Power supply · 1
Sinclair Executive → 4 button cells

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

executive sinclair calculator power price chip design clive texas instruments first pocket circuit million display 20 1972 size consumption 000

Sinclair Executive relationships Subject–Predicate–Object triples

TTTA extracted 26 structured relationships around Sinclair Executive. Examples in this analysis include Sinclair Executive → Cost → £79.95 and Sinclair Executive → Dimensions → 56 by 138 by 9 millimetres (2.20 in × 5.43 in × 0.35 in). The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Sinclair ExecutiveCost£79.951.00infobox
Sinclair ExecutiveDimensions56 by 138 by 9 millimetres (2.20 in × 5.43 in × 0.35 in)1.00infobox
Sinclair ExecutiveDisplay size8 digits1.00infobox
Sinclair ExecutiveDisplay typeLight-emitting diode1.00infobox
Sinclair ExecutiveFrequency200 kHz1.00infobox
Sinclair ExecutiveIntroducedSeptember 19721.00infobox
Sinclair ExecutiveInvented byClive Sinclair1.00infobox
Sinclair ExecutivePower consumption20 milliwatts1.00infobox
Sinclair ExecutivePower supply4 button cells1.00infobox
Sinclair ExecutiveProcessorTexas Instruments TMS1802NC1.00infobox
Sinclair Executiverelated to DesignThe0.60section
Sinclair Executiverelated to DesignAccording0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Sinclair Executive bring nearby vocabulary together. In this analysis, examples include Sinclair, Clive and Million. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Sinclair Executive
    • Sinclair
    • Clive
    • Million
    • Company
    • Introduced
    • Radionics
    • Sinclair's
    • Calculators
    • Made
    • Size
    • Two
    • Design
  • sinclair executive
    • Sinclair
    • Clive
    • Million
    • Memory
    • Company
    • Introduced
    • Radionics
    • Sinclair's
    • Calculators
    • Made
    • Price
    • Size
  • pocket calculator
    • First
    • Calculator
    • Instruments
    • Pocket
    • Texas
    • Produced
    • Circuit
    • Company
    • Radionics
    • Sinclair's
    • Chip
    • Sinclair
  • clive sinclair
    • Sinclair's
    • Size
    • Sinclair
    • Executive
    • Million
    • Price
    • Company
    • Introduced
    • Produced
    • Radionics
    • Calculators
    • Consumption
  • executive toys
    • Sinclair
    • Clive
    • Memory
    • Million
    • Price
    • Calculator
    • Company
    • Introduced
    • Produced
    • Radionics
    • Sinclair's
    • Calculators
  • sinclair radionics
    • Sinclair's
    • Made
    • Million
    • Company
    • Introduced
    • Radionics
    • Sinclair
    • Calculators
    • Size
    • Two
    • Design
    • Price
  • texas instruments
    • Texas
    • Consumption
    • Size
    • Circuit
    • Chip
    • Power
    • Introduced
    • Made
    • Screen
    • Small
    • Three
    • Design
  • financial times
    • Sinclair's
    • Consumption
    • Screen
    • Size
    • Small
    • Three
    • Clive
    • Instruments
    • Million
    • Texas
    • Chip
    • Executive

Connections between topic areas Semantic bridges

For Sinclair Executive, one of the stronger structural bridges in this analysis connects Sinclair Executive with Design. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Sinclair Executive — Design · splits 15 ⟂ 14
Sinclair Executive — Overview · splits 21 ⟂ 8
Sinclair Executive — History · splits 23 ⟂ 6

Map overview Semantic statistics

Sinclair Executive

Nodes29
Edges28
Triples26
Avg. degree1.93
Density0.068966
Components1

Source & methodology

TTTA analyzes the structure around Sinclair Executive to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Measurement & Companies, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Sinclair Executive · EN edition · Analysis: TopicsToTalkAbout

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