Calculating Machines: Recent and Prospective Developments and Their Impact on Mathematical Physics ; And, Calculating Instruments and Machines
A theoretical physicist at Cambridge, Douglas Hartree is best known for his work in numerical methods and the machines that could be used to calculate them with increasing speed and sophistication.
This reprint of Hartree's principal work also includes his inaugural Cambridge lecture, Calculating Machines: Recent and Prospective Developments and Their Impact on Mathematical Physics, which is extremely difficult to obtain and which makes ideal preliminary reading for the main set of lectures presented in Calculating Instruments and Machines. In these, Hartree provided the first comprehensive survey of the significant developments in computation that were going on at the time-the main directions of development in storage systems, serial machines, and parallel programming and coding, and particularly with high-speed automatic digital machines that were precursors of the modern stored program computer.
Calculating Instruments and Machines was originally published in 1949 by the University of Illinois Press. It is Volume VI in The Babbage Institute Reprint Series.
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adder adding unit addition algebraic analytical engine application approximation arithmetical operations Babbage's binary boundary conditions calculating machine capacity carried carry-over characteristics Charles Babbage Institute circuits coded coefficients computing connections control system counter decimal digits delay line differential analyser EDSAC electrical electronic elements Eniac equation of heat equipment evaluated example finite differences form of storage formula functions given half-adder Hartree Harvard Mark heat conduction input tables Inst instrument integrand integration interconnections interpolation interval involved iterative method iterative process Journ Laboratory large number linear Mark I Calculator mechanical minor cycle multiplication obtained operating instructions ordinary differential equations output partial differential equation possible problem Proc pulse punched cards punched tapes quantities relays representation of numbers represented rotation satisfy sequence of operations serial set of equations set-up shaft signal simultaneous single specified successive switches tape temperature tion transfer trial solutions two-point boundary conditions values voltage