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the pocket calculator was invented in 1972.

When we have pockets.....

by josh tanner in 1996

The first pocket calculator is called theCurta. More:The inventors name is Clif Stoll.

pocket calculator is a calculator that we keep in our pocket

who invented the first mechanical digital calculator

The first calculator dates back to 2700 BC with the invention of the Abacus, invented in Mesopotamia.In the 1940's and 1950's, the first mainframe computers were invented, which led towards the hand-held calculators we know today.In the mid-1960's, desktop calculators were coming to fruition, and in 1970, the first "Pocket" calculator was invented in Japan by Sanyo, called the ICC 0081.

No. The Romans invented the first 'pocket' calculator, a bronze pocket abacus. Look at http://www.hh.schule.de/metalltechnik-didaktik/users/luetjens/abakus/rom-abakus-en.htm

William Seward Burroughs invented the first practical calculator in 1632.

The first adding calculator machine was invented by Blaise Pascal.

The Slide Rule

The inventor of the first automatic calculator was Wilhelm Schickard. The calculator was called the calculating clock and was invented in 1623.

The introduction of the 1st mechanical calculator was invented in Europe. This type of calculator production then spread world wide. The first ever was invented by Willhelm Schickard.

The calculator was invented to calculate large mathematical problems.AnswerThe calculator was invented to calculate large mathematical problems.

The first calculator was invented in 1623.

He built the first pocket calculator

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.

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The first modern-style electronic calculator was invented in the 1960s. The first counting device, an abacus, was invented in Egypt in about 2000 BCE. The mechanical calculator was developed in the 17th century.

calculator and human computers used them.

The first calculator is believed to have been invented in North Africa, however China invented the spoon and the compass.

HP

The very first calculator ever used could be an abicus, an electronic calculator, or even your brain. The first calculator invented was the abacus.

abacus Casio made the first graphing calculator in 1985.

William Seward Burroughs invented the first practical calculator