Complete in box with manual and floppy disc-VisiCalc by Visicorp was a cutting-edge software program designed for the Atari 800 computer. As a vintage piece from the United States, this program offered advanced functionality for its time, making it a valuable collector's item for enthusiasts of vintage computing. With no modifications or custom bundles, this software stays true to its original form, providing a glimpse into the early days of personal computing. Compatible with Atari products, VisiCalc is a must-have for those looking to explore the world of vintage computing.