Amaya Toman When the word "spreadsheet" is mentioned, many people think of Excel, Numbers, or even Google Sheets. But the first swallow in this direction was the VisiCalc program in the seventies of the last century, whose introduction we will remember today. In the second part of our article, we will return to 1997, when the computer Deep Blue defeated the chess grandmaster Garry Kasparov.
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Introducing VisiCalc (1979)
On May 11, 1979, the features of VisiCalc were first publicly presented. These features were demonstrated by Daniel Bricklin and Robert Frankston of Harvard University. VisiCalc (this name serves as an abbreviation for the term "visible calculator") was the first spreadsheet, thanks to which the possibilities of working with computers, as well as their application, greatly expanded in the seventies of the last century. VisiCalc was distributed by Personal Software Inc. (later VisiCorp), and VisiCalc was originally intended for Apple II computers. A little later, versions for Commodore PET and Atari computers also saw the light of day.
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Garry Kasparov vs. Deep Blue (1997)
On May 11, 1997, a chess match took place between Grandmaster Garry Kasparov and the Deep Blue computer, which came from the workshop of the IBM company. Kasparov, who was playing with black pieces, then ended the game after only nineteen moves. The Deep Blue computer had the ability to think up to six moves ahead, which reportedly frustrated Kasparov and he left the room after about an hour. Kasparov first faced the computer Deep Blue in 1966, winning 4:2. The IBM Deep Blue chess supercomputer had the ability to evaluate up to 200 million positions per second, its victory over Kasparov was considered a landmark event in the history of chess and computers . The opponents played two different matches, each for six games.
