The MANIAC I (Mathematical Analyzer Numerical Integrator and Automatic Computer Model I)[1][2] was an early computer built under the direction of Nicholas Metropolis at the Los Alamos Scientific Laboratory.
[4][5] The first task assigned to the Los Alamos MANIAC was to perform more precise and extensive calculations of the thermonuclear process.
[6] In 1953, the MANIAC obtained the first equation of state calculated by modified Monte Carlo integration over configuration space.
[12] However, it was[13][14] transferred to the University of New Mexico in bad condition, and was restored to full operation by Dale Sparks, PhD.
A third version MANIAC III was built at the Institute for Computer Research at the University of Chicago in 1964.