It is one of the first hand held caculator but was invented by many people!!!!!!!!
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The very first calculator ever used could be an abicus, an electronic calculator, or even your brain. The first calculator invented was the abacus.
The first hand held electronic calculator was developed in 1967 by a team of engineers who worked for Texas Instruments. The team was conformed by Jack Kilby, Jerry Merryman and Jim Van Tassel.
I saw the first modern electronic pocket calculator in 1967 when I was attending engineering school at the University of California in Berkeley. It was made by Hewlett-Packard.
it is an electronic
The first solid state electronic calculator was invented in the 1960's. They are available in many different sizes. Smaller ones hold less capacity than say a graphing calculator that has more functions.