They have been made of various materials over the years, including wood and metal.
the first abacuss ever made in the world is in china in bajing about 40,000 years ago.
the abacus is made by the Egyptian in Egypt.
The abacus has been around for millennia, in various countries. No record of the inventor was made.
It was made in 1815
An abacus is typically made by assembling a wooden or plastic frame that holds a series of rods or wires, each representing a different place value. Beads, usually made of wood, plastic, or metal, are threaded onto these rods. The frame is often designed with a base for stability and may include a crossbar to separate different place values. Finally, the abacus is polished and finished to ensure durability and ease of use.
Originally in China.
For a calculater
The abacus first appeared around the period 2700-2300 BC in Sumeria.
I think what you are asking is an abacus. Some people say that the Abacus was invented before any other counting device so many thousands or years ago that the inventor is not known
actient china
The Chinese abacus.
The answer is China.