Labels:cabinet | cushion | door | fence | keyboard | railing | shelf | sky | slide projector | stairs OCR: THE COMPUTER INDUSTRY HISTORY, CAREERS AND ETHICS 4 8 7 Other manual calculators include the oddly named Napier's Bones and INFOWEBLINKS the slide rule. John Napier, the Scottish Laird of Merchiston, made two Want to learr more about manual contributions to the field of mathematics. He invented logarithms and and mechanical computing device for multiplication and division. The device consisted of several devices? Connect to the rods, divided into ten squares, each labeled with two numbers. The rods Calculating Devices InfoWeb were positioned according to the numbers in calculation, and the result CLICK TO CONNECT was determined Kq adding values shown 1 specific location on the rods. www.course.com/np/concepts2010/ch09 These rods were often constructed out of bones so they came to be called ...
