From the relay calculator to the electronic calculator
Merryman, James Van Tassel and Jack Kilby invented the world's first handheld electronic calculator
Key dates in the evolution from handheld electronic calculator
to educational handheld:
Sharp introduced the first practical LCD (Liquid Crystal Display) in 1973 with the pocket electronic calculator
This device will change the way engineers think about next-generation switching elements in the same way Bill Hewlett's first electronic calculator
changed the way engineers thought about slide rules in the early 1970s," said John O'Rourke, general manager of Agilent's Optical Networking Division.
China sent 15% fewer electronic calculators
abroad in the first 11 months of 2013, 12% fewer umbrellas and 21% fewer cigarette lighters, Chinese data shows as low-end manufacturers abandon China for cheaper locations.
In 1980, it became the first in the world to mass produce amorphous silicon solar cells, which were widely used as power source for electronic calculators
, thereby contributing to the spread of solar cells.
Two years later, electronic calculators
began to appear in stores but cautious cashiers, suspicious of innovation, were checking them with an abacus.
6 billion Japanese consumer electronics major include electronic calculators
, digital cameras, electronic dictionaries, digital watches, analog watches, clocks, electronic musical instruments and label printers.
Like all things, computers have evolved from basic electronic calculators
, but that did not happen overnight.
The discovery of ETI (extra-terrestrial intelligence] may be far less startling for generations that have been brought up with word processors, electronic calculators
, avatars and cell phones as compared with earlier generations," said Harrison.
that arrived in the mid-1960s "were a big step forward.
1974 saw the arrival of the first MRI (magnetic resonance imaging) scanner, the first use of bar codes, the first word processors and the first pocket electronic calculators
For today's energy technology, solar-cell batteries are like what electronic calculators
were for computer technology 40 years ago.
Computers, electronic calculators
and automated teller machines at Zimbabwe's banks cannot handle basic transactions in billions and trillions of dollars.