详解回 H录 Blaise Pascal invented the second mechanical calculator, called alternatively the Pascalina or the Arithmetique, in 1645, the first being that of Wilhelm Schickard in 1623. A Pascaline, signed by Pascal
Blaise Pascal invented the second mechanical calculator, called alternatively the Pascalina or the Arithmetique, in 1645, the first being that of Wilhelm Schickard in 1623. A Pascaline, signed by Pascal in 1652 Pascal began to work on his calculator in 1642, when he was only 19 years old....
Blaise Pascal invented the second mechanical calculator, called alternatively the Pascalina or the Arithmetique, in 1645, the first being that of Wilhelm Schickard in 1623. A Pascaline, signed by Pascal in 1652 Pascal began to work on his calculator in 1642, when he was only 19 years old....
Blaise Pascal invented the second mechanical calculator, called alternatively the Pascalina or the Arithmetique, in 1645, the first being that of Wilhelm Schickard in 1623. A Pascaline, signed by Pascal in 1652 Pascal began to work on his calculator in 1642, when he was only 19 years...