Search results
Results from the WOW.Com Content Network
Now the user pressed the multiplication 1 key. The machine cycled once. To see the total the user was required to press a Total key and the machine would print the result on a paper tape, release the locked down keys, reset the adding mechanism to zero and tabulate it back to its home position. Modern adding machines are like simple calculators.
Burroughs developed a range of adding machines with different capabilities, gradually increasing in their capabilities. A revolutionary adding machine was the Sensimatic, which was able to perform many business functions semi-automatically. [citation needed] It had a moving programmable carriage to maintain ledgers.
The UNIVAC Solid State was a magnetic drum-based solid-state computer announced by Sperry Rand in December 1958 as a response to the IBM 650.It was one of the first [1] [2] [citation needed] computers offered for sale to be (nearly) entirely solid-state, using 700 transistors, and 3000 magnetic amplifiers (FERRACTOR) for primary logic, and 20 vacuum tubes largely for power control.
Monroe Systems for Business is a provider of electric calculators, printers, and office accessories such as paper shredders to business clients. [1] Originally known as the Monroe Calculating Machine Company, it was founded in 1912 by Jay Randolph Monroe as a maker of adding machines and calculators based on a machine designed by Frank Stephen Baldwin.
Inforex Inc. corporation manufactured and sold key-to-disk data entry systems in the 1970s and mid-1980s. The company was founded by ex-IBM engineers to develop direct data entry systems that allowed information to be entered on terminals and stored directly on disk drives, replacing keypunch machines using punched cards or paper tape, which had been the dominant tools for data entry since the ...
In 1909, Burroughs acquired the Pike Adding Machine Co. and in the same year began to sell Burroughs Pike visible adding machines. During the first decade of the 20th century, Burroughs faced competition from both key-driven calculators and a number of rival adding-listing machines, including Dalton, Pike, Standard, Universal, and Wales.
Victor Adding Machine Co. was a fledgling company in 1918 when the operator of a chain of meat markets gave a Victor salesman $100, intending to buy an adding machine. Instead, he got 10 shares of the company's issued capital.
The ten-key notation input method first became popular with accountants' paper tape adding machines. It generally makes the assumption that entered numbers are being summed, although other operations are supported. Each number entered is followed by its sign (+/−), and a running total is kept.