Question

write a note on pascalin

Answer 1

 Pascaline: Blaise Pascal, a French Mathematician invented the first mechanical calculating machine called Pascaline in 1642 when he was 19 years old. The Pascaline is a numerical wheel calculator which had 8 movable dials. It worked on the principle of rotating wheels. This machine could only do addition, subtraction and multiplication by repeated addition and division by repeated subtraction. The numbers of calculating capacity of Pascaline was 9,99,99,999.

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