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| 481 | -- | 0 | Harry D. Huskey. Letter from the president of ACM |
| 488 | -- | 489 | Robert F. Rosin. An introductory problem in symbol manipulation for the student |
| 490 | -- | 499 | Edward Fredkin. Trie memory |
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| 501 | -- | 505 | John M. Blatt. Comments from a FORTRAN user |
| 507 | -- | 508 | George E. Forsythe. Algorithm 16: crout with pivoting |
| 508 | -- | 0 | C. F. Sprague. Algorithm 17: trdiag |
| 509 | -- | 512 | J. C. Dickson, F. P. Frederick. A decision rule for improved efficiency in solving linear programming problems with the simplex algorithm |