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Communications of the ACM

Table of Contents


President's letter to the ACM membership


A model for a multifunctional teaching system


Additional references


Relative to the President's December letter


Pitch period determination of speech sounds


DIALOG: a conversational programming system with a graphical orientation


PL/I list processing


Storage allocation in a certain iterative process


The checkless society: individual authorization of payment


A generalized Bairstow algorithm


Algorithm 303: An adaptive quadrature procedure with random panel sizes


Algorithm 304: Normal curve integral


Remark on Algorithm 179: Incomplete Beta ratio


Certification of Algorithm 253: Eigenvalues of a real symmetric matrix by the QR method


Certification of Algorithm 254: Eigenvalues and Eigenvectors of a real symmetric matrix by the QR method


Remarks on Algorithm 209: Gauss


Algorithm 272: Procedure for the normal distribution functions


Remarks on Algorithm 226: Normal distribution function


Remarks on Algorithm 123: Real error function, ERF (x)


Remarks on Algorithm 296: Generalized least squares fit by orthogonal polynomials


Algorithm 304: Normal curve integral


Security and privacy


Remarks on Algorithm 180: Error function—large X


Remarks on Algorithm 181: Complementary error function—large X