A Brief History of Calculating Devices

From the abacus to the EDSAC computer, humans have used physical apparatuses for counting to simplify and solve mathematical problems. Here you can read a brief overview of how certain devices developed over time and continued to be useful despite apparently superior developments.

Discovering Computers

John Napier's Calculating Tools

National Museum of American History

8 Early Types of Calculating devices

A brief history of counting machines - lcamtuf's thing

Table of Contents, Humanity's hunt for calculating devices probably started with the use of small pebbles to keep track of numbers. The counting

Antique Office Machines: 600 Years of Calculating Devices by Thomas Russo

The Historical Development of Co

World's First Calculating Device - The Abacus

History of computers - from the Abacus to the iPhone

Adding & Calculating Machines

History: Tracing the Historical Origins of the Abacus - FasterCapital

INTRODUCTION TO COMPUTING. Computer Evolution  History of Computers  Generations of Computer  First Generation  Second Generation  Third Generation. - ppt download

The history of the development of computer systems The history of computer development s often referred to in reference to the different generations of. - ppt download