MathSciNet is an index of articles related to pure and applied mathematics. It is based on the data in the Mathematical Reviews and Current Mathematical Publications.
JSTOR is a full-text database consisting of the Arts and Sciences I, II, III, IV, Complement, Ecology & Botany and General Science Collections which provide access to the back files of over 300 scholarly journals from the sciences, social sciences and arts and humanities.
This handbook has been designed to provide scientific investigators with a comprehensive and self-contained summary of the mathematical functions that arise in physical and engineering problems
Compendex indexes technical and engineering journals, conference proceedings and papers, technical reports, and monographs. Subjects include all areas of engineering; transportation; management, mathematics, and physics; electronics and communications; computers and data processing, and instruments and measurements.