ACM Transactions on Mathematical Software: A research journal of the Association for Computing Machinery (ACM). Specializes in research on the methodology and practice of mathematical computer program development, evaluation and use.
BIT: Development and analysis of numerical methods and the design and use of algorithms for scientific computing. Table of contents starting 1993, search engine. Full text to subscribers.
Calcolo: Published under the direction of the Institute for Computational Mathematics in Pisa, Calcolo publishes papers in English on numerical analysis and its applications, and on the theory of computation. Tables of contents from vol.35 (1998) on; full text to subscribers.
Constructive Approximation: An international mathematics journal dedicated to approximations and expansions and related research and applications. Tables of contents from vol.12 (1996) on. Full text to susbcribers. Online problems section.
Electronic Transactions on Numerical Analysis (ETNA): Papers that deal with the analysis of algorithms for the solution of continuous models and numerical linear algebra or discuss implementation and performance of such algorithms. Full text, free.
IMA Journal of Numerical Analysis: Tables of contents from issues of the IMA Journal of Numerical Analysis. Coverage begins in 1991 (volume 11).
Numerische Mathematik: Aims to publish papers of the very highest quality presenting significantly new and important developments in all areas of Numerical Analysis. Tables of contents from vol.67 (1994) on. Full text to subscribers.