This full-keyboard direct multiplication non-printing electric calculating machine has an iron and steel case painted black, The nine columns of plastic black and white keys are colored according to ...

This German key-set manually operated stepped drum calculating machine has nine columns of black plastic keys, with nine keys in each column. The rods between each row of keys, colored black on one ...

Christie's suspended its sale of the first calculating machine after an export ban kept it from leaving France, according to the South China Morning Post. One of only nine surviving examples of a ...

In a unanimous panel ruling, the Federal Circuit has found that the calculating machine of U.S. Patent No. 388,116 fails to meet the eligibility requirements of 35 U.S.C. § 101. Inventor W.S.

While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. In 1642, French mathematician Blaise Pascal invented a calculating machine that could add and ...

THE rapid development of large-scale, high-speed calculating machines which has taken place in the United States in recent years is still not fully appreciated in Great Britain. These machines, in one ...

SCIENTIFIC computing has been materially aided of late years by the development of calculating machines, a development in which scientific workers themselves have had a say. We may instance the use of ...