Free Online Adding Machine Calculator - Simple Internet Tool
Use this online tool to perform basic arithmetic operations and see the results on a virtual paper roll. You can also clear, erase, or print the calculations anytime.
Adding machine - Wikipedia
An adding machine is a class of mechanical calculator, usually specialized for bookkeeping calculations. In the United States, the earliest adding machines were usually built to read in dollars and cents. Adding machines were ubiquitous office equipment until they were phased out in favor of calculators in the 1970s and by personal computers beginning in about 1985. The older adding machin…
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Adding Machine Calculator
2018年11月12日 · Use this online adding machine calculator to keep a running total or "paper tape" when adding or subtracting money. You can input numbers, operators, percentages and decimals, and print or save your …
标记:Adding machineCalculator查看 Adding Machine
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查看全部Burroughs Adding Machine - The Franklin Institute
The fully mechanical machine performs only one mathematical function: addition. When a twenty-five-year-old Burroughs became frustrated with the time involved in adding numbers as a bank clerk in 1882, he set out to speed up the process …
标记:Adding machineFranklin InstituteAdding machine | technology | Britannica
Learn about adding machine, a type of calculator for simple arithmetical operations. Britannica provides an overview of the history, types, and functions of adding machines.
标记:Adding machineThe Editors of Encyclopaedia BritannicaWilliam Seward Burroughs | Biography, Adding Machine, & Facts
2024年9月11日 · William Seward Burroughs (born January 28, 1855, Auburn, New York, U.S.—died September 15, 1898, Citronelle, Alabama) was an American inventor of the first …
标记:The Editors of Encyclopaedia BritannicaAdding Machine InventorWilliam Burroughs - Lemelson
Learn about William Seward Burroughs, who created the first workable adding machine in the 1880s. Find out how he founded the American Arithmometer Company and how it evolved into the Burroughs Corporation.
标记:Adding Machine InventorWilliam Burroughs InventorWilliam Seward BurroughsThe Complete History of the Revolutionary Burroughs Adding …
2024年3月25日 · The clunky metal adding machines that now decorate flea markets and collectors‘ shelves once revolutionized arithmetic in offices and shops. But who invented the …
| National Museum of American History
A ten-key printing electric adding machine with a gray metal case and a paper tape. Learn about its history, features, and patents from the National Museum of American History collection.
ADDING MACHINE在剑桥英语词典中的解释及翻译
a mechanical or electronic device used to add numbers together: In the 1890s, he invented the first mass-market adding machine in America. Workers operated checkout lanes using battery …
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