adplus-dvertising
frame-decoration

Question

The first mechanical adding machine was invented by Blaise Pascal in ____________.

a.

1652

b.

1642

c.

1659

d.

1643

Answer: (b).1642

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. The first mechanical adding machine was invented by Blaise Pascal in ____________.