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www.reference.com/history/invented-first-calculator-3378af6ce6f5cebc

It was not until 1948 that a pocket-sized calculator was invented and came in the form of the Curta calculator. It was not until the 1960s and the advent of electronic devices that the electronic calculator came to be. ANITA (A New Inspiration To Arithmetic/Accounting) was the first all-electric desktop calculator and was released in 1961.

en.wikipedia.org/wiki/Calculator

The Arithmometer, invented in 1820 as a four-operation mechanical calculator, was released to production in 1851 as an adding machine and became the first commercially successful unit; forty years later, by 1890, about 2,500 arithmometers had been sold plus a few hundreds more from two arithmometer clone makers (Burkhardt, Germany, 1878 and ...

www.dailymail.co.uk/news/article-6775171/Brilliant-man-inventor-calculator...

Jerry Merryman, one of the inventors of the handheld electronic calculator, has died. Merryman, who was described by those who knew him as not only brilliant but also kind with a good sense of ...

techinfa.com/jerry-merryman-brilliant-man-who-invented-calculator-dies

DALLAS — Jerry Merryman, one of the inventors of the handheld electronic calculator who is described by those who knew him as not only brilliant but also kind with a good sense of humor, has died. He was 86. Merryman died Feb. 27 at a Dallas hospital from complications of heart and kidney failure, said […]

www.voanews.com/a/jerry-merryman-brilliant-man-who-invented-calculator-dies/...

Jerry Merryman, one of the inventors of the handheld electronic calculator who is described by those who knew him as not only brilliant but also kind with a good sense of humor, has died. He was ...

www.ctvnews.ca/sci-tech/brilliant-man-who-invented-handheld-calculator-dies-1...

'Brilliant' man who invented handheld calculator dies This 1997 photo taken by Phyllis Merryman shows Jack Kilby and Jerry Merryman, right, at the American Computer Museum in Bozeman, Montana.

www.freshmynews.com/.../jerry-merryman-brilliant-man-who-invented-calculator-dies

DALLAS — Jerry Merryman, one of many inventors of the hand held digital calculator who’s described by those that knew him as not solely sensible but additionally form with humorousness, has died. He was 86. Merryman died Feb. 27 at a Dallas hospital from problems of coronary heart and kidney failure, mentioned his stepdaughter, Kim […]

www.thecalculatorsite.com/articles/units/history-of-the-calculator.php

The Curta calculator, which first appeared in 1948, was perhaps the ultimate expression of the mechanical calculator, so compact that it could, somewhat lumpily, fit into a pocket and was capable of addition, subtraction, multiplication and division.

www.cnn.com/2019/03/06/tech/jerry-merryman-calculator-inventor-obit-trnd/index...

(CNN)If you've ever used an electric hand-held calculator in your life, you can thank Jerry Merryman for helping make your math life easier. Merryman -- who along with two other men invented the ...

today.line.me/.../Jerry+Merryman+Brilliant+Man+Who+Invented+Calculator+Dies-OJRmaV

A student uses a Texas Instruments calculator at C.E. Williams Middle School, May 22, 2018 in Charleston, South Carolina. DALLAS — Jerry Merryman, one of the inventors of the handheld electronic calculator who is described by those who knew him as not only brilliant but also kind with a good sense of humor, has died.