Casio Computer Co., Ltd was founded in 1946 and released the world's first compact electronic calculator in 1957. The AS-A represents of 1969 represents the very first in the long-lived and iconic series of Casio AS calculators which followed, defining a global business and technical era of desktop and portable computation prior to the rise of the personal computer. The Model The Casio AS-A (equivalent to 121-A or Commodore 512) vintage calculator represents a perfect museum piece to complete any collection of the history of calculation, the evolution of mechanical to digital calculation, examples of earlier second generation MOS circuitboard technology with 12 nixie tubes and period appliance 1970s product industrial design details.