who invented the first mechanical digital calculator
The introduction of the 1st mechanical calculator was invented in Europe. This type of calculator production then spread world wide. The first ever was invented by Willhelm Schickard.
The first adding calculator machine was invented by Blaise Pascal.
Japan ;)
== ==
The first calculator was invented in 1623.
The first modern-style electronic calculator was invented in the 1960s. The first counting device, an abacus, was invented in Egypt in about 2000 BCE. The mechanical calculator was developed in the 17th century.
ig china
calculator and human computers used them.
Pascal,a great French Scientist invented the calculator.
China wasn't invented it is a country!
Blaise Pascal