ACM

Harry D. Huskey
Page 476

Some proposals for improving the efficiency of ALGOL 60

C. Strachey, M. V. Wilkes
Pages 488-491

Fitting spheres by the method of least squares

Stephen M. Robinson
Page 491

Low-level language subroutines for use within Fortran

M. P. Barnett
Pages 492-495

Library loading with alternate routine selection

Donald P. Moore
Page 496

MAP

C. L. Moore, M. L. Ruwe
Page 496

Algorithm 71: permutation

R. R. Coveyou, J. G. Sullivan
Page 497

Alogithm 70: interpolation by Aitken

Charles J. Mifsud
Page 497

Tape splitting

Donald P. Moore
Page 497

Algorithm 72: composition generator

L. Hellerman, S. Ogden
Page 498

Certification of algorithm 68: augmentation

L. M. Breed
Page 498

Certification of algorithm 42: invert

Anthony W. Knapp
Page 498

Remark on algorithm 52: a set of test matrices

G. H. Dubay
Page 498

SMALGOL-61

G. A. Bachelor, J. R. H. Dempster, D. E. Knuth, J. Speroni
Pages 499-502

Letter to the editor: defense of ALGOL 60

E. W. Dijkstra
Pages 502-503

Letters to the editor: inversion of power series

M. A. Chapple
Page 503

On a program for Ray-Chaudhuri's algorithm for a minimum cover of an abstract complex

Dominique C. Foata
Pages 504-506

Programming a duplex computer system

James Dow
Pages 507-513

Ballistic cam design

Mary Archambault
Pages 513-515

An engineering application of logic-structure tables

R. C. Nickerson
Pages 516-520

Communications of the ACM

Table of Contents

Letter from the president of ACM