Mini computers began appearing in the mid 1960's. One of the first people to make one was Seymour Cray.
The Mini Computer was important because it could perform similar tasks to supercomputers, but took up less space and was much cheaper.
The mini computer was unique because it included a keyboard and peripherals.
Mini computers were predecessors to supercomputers, which were also origianlly designed by Seymour Cray.
Mini computers were mainly used for personal work.
Compared to supercomputers, mini computers were a fraction of the cost, some only costing $20,000 compared to $1,000,000.