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The Preparation of Programs for an Electronic Digital Computer, With Special Reference to the EDSAC and the Use of a LIbrary of Subroutines (first edition 1951). Maurice V. Wilkes, David J. Wheeler, Stanley Gill, D R. Hartree.

The Preparation of Programs for an Electronic Digital Computer, With Special Reference to the EDSAC and the Use of a LIbrary of Subroutines (first edition 1951).

Addison-Wesley Press, Cambridge MA 1951, first edition; 167 pages, Index, 2 plates, introd. matter.
Condition: Spine title reads, Programs for an Electronic Digital Computer. Good overall, brown cloth hardcover; no dustjacket; tips and corners, spine ends rubbed; gilt title on spine darkened. Prev. owner's name on front pastedown. Binding is sound, hinges are sound though front hinge tender and starting, minor pencil underlines on first few pages (some small checkmarks) otherwise pages are unmarked.
Price: $500.00
Item no. C06222
Item Description
The Preparation of Programs for an Electronic Digital Computer; With Special Reference to the EDSAC and the Use of a LIbrary of Subroutines

CONTENTS - The Design of Programs for Electronic Computing Machines - introduction; Types of automatic computing machines; Description of the EDSAC; The EDSAC order code; Notes on the order code; The use of conditional orders; Modification of orders by the program; Multiaddress codes; Binary-decimal conversion; Checking facilities; Input of Orders -- initial orders; pseudo-orders; examples; control combinations; Starting the program; use of code letters; constants; notation;
Subroutines and Parameters - open subroutines; closed subroutines; preset parameters; program parameters; Library Subroutines and their Use in Constructing Programs -- library catalog; input and output subroutines; division subroutines; trigonometrical and other functions; quadrature Assembly subroutines; Integration of differential equations; Processes, Interpretive subroutines;

Pitfalls - proofreading of programs, points to be checked; location of mistakes in a program; counting operations; Use of the EDSAC & Its Associated Equipment -- Tape punching & editing facilities; storage of library subroutines; EDSAC organization; EDSAC controls; EXAMPLES - calculations; alternative methods; extra print orders for checking; more; Specifications of Library Subroutines - to carry out floating point arithmetic; complex numbers; checking; division; exponential subroutines; print subroutines; etc;

Programs of Selected Library Subroutines - keyboard perforator code, etc; Initial orders; control combinations; Interpretive, parsing, more

The first practical text on programming a digital computer. Origins of Cyberspace 1030.