modern calculators

What Is A Bead Calculator Called?

by

What Is A Bead Calculator Called? An abacus is a device composed of beads that slide along rods, which fit into a frame. In ancient times, the abacus was used as a calculator; it aided in performing mathematical processes like counting, addition, subtraction, and multiplication. What are the three types of abacus? The Dust Abacus.

Who Was The Original Inventor Of The Calculator?

by

Who Was The Original Inventor Of The Calculator? Pascaline, also called Arithmetic Machine, the first calculator or adding machine to be produced in any quantity and actually used. The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644. Did Leonardo Da Vinci invent the calculator? Best known today for