Volume 3, Number 4, April 1960
An Imaginary Number System.

Donald E. Knuth

A High-Speed Multiplication Process for Digital Computers.

Fred Gurzi

Euclidian Algorithm (Algorithm 7).

Robert Claussen

Bessel Function I, Asymptotic Expansion (Algorithm 6).

Dorothea S. Clarke

Bessel Funtion I, Series Expansion (Algorithm 5).

Dorothea S. Clarke

A Control System For Logical Block Diagnosis With Data Loading.

Michael E. Senko

Decoding Combinations of the First n Integers Taken k at a Time.

Richard M. Brown

Proving Theorems by Pattern Recognition I.

Hao Wang

Macro Instruction Extensions of Compiler Languages.

M. Douglas McIlroy

Symbol Manipulation in XTRAN.

Julien Green

Syntactic and Semantic Augments to ALGOL.

Joseph W. Smith

An Introduction to Information Processing Language V.

Allen Newell Fred M. Tonge

Symbol Manipulation by Threaded Lists.

Alan J. Perlis Charles Thornton

Recursive Functions of Symbolic Expressions and Their Computation by Machine, Part I.

John McCarthy