Skip to Main Content

Mathematics of Computation

Published by the American Mathematical Society since 1960 (published as Mathematical Tables and other Aids to Computation 1943-1959), Mathematics of Computation is devoted to research articles of the highest quality in computational mathematics.

ISSN 1088-6842 (online) ISSN 0025-5718 (print)

The 2020 MCQ for Mathematics of Computation is 1.78.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.


Estimates for the Chebyshev function $\psi (x)-\theta (x)$
HTML articles powered by AMS MathViewer

by N. Costa Pereira PDF
Math. Comp. 44 (1985), 211-221 Request permission

Corrigendum: Math. Comp. 48 (1987), 447.


A simple approximation for the difference $\psi (x) - \theta (x)$ is established by elementary methods. This approximation is used to obtain several estimates for $\psi (x) - \theta (x)$ which are sharper than those previously given in the literature.
Similar Articles
Additional Information
  • © Copyright 1985 American Mathematical Society
  • Journal: Math. Comp. 44 (1985), 211-221
  • MSC: Primary 11A25; Secondary 11N45, 11Y35, 33A70
  • DOI:
  • MathSciNet review: 771046