Vintage electronic · United Kingdom · 1973
Sinclair Cambridge
Four-function pocket calculator, kit-built
- Country
- 🇬🇧 United Kingdom
- Date
- 1973
- Era
- 1970s
- Condition
- Partially working
- Rarity
- Uncommon
- Maker
- Sinclair Radionics
- Model
- Cambridge
- Technology
- Integrated circuit
- Voltage
- 4 × AAA
- Operational state
- Partial
About this object
Clive Sinclair's first pocket calculator, sold as a kit for £24.95 in 1973. Red LED display, a General Instrument chip, and the famous flimsy keyboard. Powers up and calculates; the '7' key needs a firm press.