Question

Which of these statements is true?

a.
In 1820 Colmar's Arithometer was no longer in use.
b. The Pascaline could add and subtract ten-digit figures.
The Difference Engine was powered by electricity.
Babbage's Analytical Engine was never built.
C.
d.

Answer 1

The Pascaline could add and subtract ten-digit figures.

Step-by-step explanation:

The statement that is true is: The Pascaline could add and subtract ten-digit figures. The Pascaline was an early mechanical calculator invented by Blaise Pascal in the 17th century. It was capable of performing addition and subtraction operations using a series of gears and wheels.

Learn more about The Pascaline and its capabilities.