Blaise Pascal in the 1600s.
use calculator
Blaise Pascal
The first mechanical cooling system was invented by Dr. John Gorrie. -Qwasas
He invented the mechanical loom.
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.
Blaise Pascal
Pascaline
Blaise Pascal
Pascaline
Gottfried Leibniz
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.
Pascaline
it yor face your face
The 'Difference Engine' - it was a mechanical calculator.
Let me think....... Why are u asking me u should know it.