A biological super-computer developed by Dr. Naoko Akagi. It is often regarded as NERV's brain as it considers, examines, and resolves numerous pending problems and projects. The distinguishing characteristic of the MAGI system is that human dilemma is recreated by implanting human personality traits into the operating system.
A MAGI system is composed of three distinct bio-computer cores; Melchior-1, Balthasar-2, and Casper-3. These three cores are modeled after the three aspects of Dr. Naoko Akagi's (the developer's) personality, her as a scientist, as a mother, and as a woman. All major decisions require the unanimous agreement of all three cores.
There are six MAGI systems deployed around the world:
Based on Neon Genesis Evangelion Platinum: 05 DVD Booklet