Pocket electronic calculator
Calculadora electrónica de bolsillo
- Date
- 1967 · confidence medium
- Place
- Texas Instruments, Dallas, United States; Busicom and Sharp, Japan
- Credited to
- Jack Kilby, Jerry Merryman and James Van Tassel (Cal-Tech, TI); Busicom LE-120A (1971); scientific HP-35 (1972)
- People
- 👤 Jack S. Kilby1923–2005👤 James H. Van Tassel1929–2018👤 Jerry Merryman1932–2019
- Field
- Knowledge & symbols
What it is
Handheld calculator with integrated circuits and an LED display. It replaced the slide rule and was the first consumer product to drive down chip prices at scale.
What it led to
- The disappearance of the slide rule and logarithm tables from education
- The consumer LSI chip market and the microprocessor (commissioned by Busicom)
- Personal pocket electronics
Built on
Made possible
- Liquid-crystal display (LCD)1964-1971
- Microprocessor (Intel 4004)1971
- LCD screen
- digital clock