The Journey from the Abacus to the Smartphone | Children's Modern History. Baby Professor
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Название: The Journey from the Abacus to the Smartphone | Children's Modern History
Автор: Baby Professor
Издательство: Ingram
Жанр: Историческая литература
isbn: 9781541908772
isbn:
The Journey from the Abacus to the Smartphone
Children’s Modern History
Speedy Publishing LLC
40 E. Main St. #1156
Newark, DE 19711
www.speedypublishing.com
Copyright 2016
All Rights reserved. No part of this book may be reproduced or used in any way or form or by any means whether electronic or mechanical, this means that you cannot record or photocopy any material ideas or tips that are provided in this book
What do you use when you have many numbers to add, or when you have to compute something? How long will it take you to use your fingers to count numbers in the millions?
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One of the challenges for people is doing calculations, especially when there are a lot of things to count or when you run a business. To address this difficulty, a counting machine was invented.
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Around 3000 BC, a counting device known as the abacus was developed in China. It’s been used since then and there are even people who still use them in these modern times.
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