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A brief history of infinity

Article Abstract:

Mathematicians have been pondering the concept of infinity since the ancient times. The theory set out by Georg Cantor is the most promising but it still fails to address a number of questions.

Author: Moore, A.W.
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1995
Analysis, Infinite, Infinity (Mathematics)

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The curious history of the first pocket calculator

Article Abstract:

The features and general settings of the first mechanical calculator, invented by Curt Herzstark, are presented. It can solve problems to at least 11 digits with all operations and decimals.

Author: Stoll, Cliff
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2004
United States, Office Machinery Manufacturing, Calculating and accounting equipment, Mechanical Adders & Calculators, History, Calculators

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