Mathematics - Online Database
Content: Google Scholar enables you to search for scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research. The service can be used to find articles from a wide variety of academic publishers, professional societies, preprint repositories and universities, as well as scholarly articles available across the web.
MathEduc (formerly MATHDI)
Subject: Mathematics, Computer Science, Education
Content: Contains citations in the fields of mathematics education and computer science education from primary to tertiary education
Content: A comprehensive database providing summaries of articles from all areas of mathematics from 1940
Subject: Science, Computer Science, Engineering, Electronics, Social Science, Humanities
Content: The full text of more than 1,200 Elsevier Science journals in the life, physical, medical, technical, and social sciences.
Web of Science
Subject: Multidisciplinary, Science, Social Sciences, Arts & Humanities
Content: A multi-disciplinary citation database covering over 10,000 of the world's highest impact research journals. It consists of the three databases: the Science Citation Index Expanded (1945-present), the Social Sciences Citation Index (1956-present) and Arts & Humanities Citation Index (1975-present).). It also provides cited reference searching.
About 2.3 million entries drawn from about 3,500 journals and 1,100 serials from 1868 to present. It covers the entire spectrum of mathematics including applications in computer science, mechanics, physics, etc.