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Adding Machine

Код 950109

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Аннотация к книге "Adding Machine"

An adding machine is a type of 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 personal computers, beginning in about 1985. The machines were rarely seen after the year 2000. Theodore Simpson built the first automatic calculator called the "Calculating Clock" in 1623. Another machine was built by...

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Издательство: Книга по требованию
Дата выхода: июль 2011
ISBN: 978-6-1307-0061-4
Объём: 80 страниц
Масса: 141 г
Размеры(высота, ширина, толщина), см: 23 x 16 x 1

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