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Johann Faulhaber (5 May 1580 – 10 September 1635) was a German mathematician, specifically, a calculator (Rechenmeister). Ioannes Faulhaberus Mathematicus Imperialis Ulmæ Natus Biography
Developed by the Great Valley Research Laboratory of the Burroughs Corporation as part of the Electronic Systems Division's 416L network of computers, [1]: 241 134 CDTSs were deployed. [2] Each was to "process the raw radar data, antenna position information, and IFF data, and send it over voice grade toll phone lines" [ 3 ] at ~1200 baud with ...
[1] Faulhaber's formula is also called Bernoulli's formula. Faulhaber did not know the properties of the coefficients later discovered by Bernoulli. Rather, he knew at least the first 17 cases, as well as the existence of the Faulhaber polynomials for odd powers described below. [2] Jakob Bernoulli's Summae Potestatum, Ars Conjectandi, 1713
Front page of a floppy disk controller data sheet (1979) A datasheet, data sheet, or spec sheet is a document that summarizes the performance and other characteristics of a product, machine, component (e.g., an electronic component), material, subsystem (e.g., a power supply), or software in sufficient detail that allows a buyer to understand what the product is and a design engineer to ...
The system was used in 1942–44 and assigned numbers with the base form "1A21", and is therefore also referred to as the "1A21 system". [1] The first numeric character indicated the filament/heater power rating, the second alphabetic character was a code for the function, and the last 2 digits were sequentially assigned, beginning with 21
The Signetics 2650 was an 8-bit microprocessor introduced in July 1975. [1] According to Adam Osborne's book An Introduction to Microprocessors Vol 2: Some Real Products, it was "the most minicomputer-like" of the microprocessors available at the time. A combination of missing features and odd memory access limited its appeal, and the system ...
The acquisition of the Class 45-000 forms part of the largest-ever locomotive supply contract in South African history and the single-biggest investment initiative by a South African corporation. It consists of contracts for the construction of 1,064 locomotives by four global original equipment manufacturers: [ 1 ] [ 2 ] [ 3 ]
This is a list of European Mullard–Philips vacuum tubes and their American equivalents. Most post-war European thermionic valve (vacuum tube) manufacturers have used the Mullard–Philips tube designation naming scheme.