Curated OER
Science in History Part I: the Abacus To the Modern Computer
In this math information worksheet, students read one page factual accounts of the early math inventions of the abacus, the calculator and early computers. There are 40 questions to answer about the reading.
Columbia University
Columbia University: The Ibm 1401
The IBM 1401 Data Processing System was IBM's first affordable general-purpose computer. It was introduced in 1959 and was IBM's first computer to sell over 10,000 units. This site describes the history of the 1401, the technology that...