Answer:
Because Blaise Pascal’s Pascaline
Blaise Pascal, a French mathematician and philosopher conceived “Pascaline” in 1642. Pascaline was built in 1643. It can perform addition and subtraction of up to eight-digit numbers.
Slide Rule
William Oughtred, an Angelican minister invented the slide rule in 1622. This device can perform multiplication, division, square roots, exponentials, logarithms, and trigonometric functions.
Wilhelm Schickard’s Calculating Clock
Wilhelm Schickard, a German polymath built the first automatic calculator called “calculating clock” in 1623. This machine can add or subtract six-digit numbers.
Gottfried Wilhelm Von Leibniz Stepped Reckoner
Gottfried Wilhelm Von Leibniz, a German mathematician and philosopher who introduced the machine called “Stepped Reckoner” in 1671. This machine can perform addition, subtraction, multiplication, division, and can extract square roots
Explanation:
