Inspec is an important and frequently used A&I databases evolved from "Science Abstract" (SA, Science Abstract), started in 1898. It covers the fields of Physical Sciences, most areas of Engineering as well as computing and IT. The contents are sourced from scientific journals published in many countries, publishers and conference proceedings. It has millions of records dated since 1898 with all the contents selected to reflect the quality of the Database. Inspec also provides indexes for users to obtain accurate search on refined subject areas related to chemicals, searches based on specific number or numerical range (important for physicians), astrophysical object search, etc. The Database also offers International Patent Classification (IPC) search for Patent Examiners and Corporate Researchers to plan and pinpoint their research based on the latest patents and future patent development.