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.
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.
Because it was the first portable counting device - sort of the first 'pocket' calculator !
Most answers to that question on this site give the answer as Abacus.
Bharath Ganapathy Uppangada
The first mechanical counting device was invented by Blaise Pascal in 1642. It was primarily used as an adding machine. It could add and subtract two numbers.
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.
The abacus is the original mechanical counting device. It was likely first used over five thousand years ago, and used beads to keep track of numbers.
William Seward
A mechanical loom is a device which simplifies the process of manufacturing textiles. It was invented by Joseph Marie Jacquard and was first demonstrated in 1801.
who invented the first mechanical digital calculator
Abacus
Babylonians
1925
The first reports of a mechanical dishwashing device are of an 1850 patent by Joel Houghton of a hand-powered device. Modern dishwashers though, come from an invention in 1886 by Josephine Cochrane.
The first mechanical cooling system was invented by Dr. John Gorrie. -Qwasas
The first practical sound recordingand reproduction device was the mechanical phonograph cylinder, invented by Thomas Edison in 1877.For a fuller answer, Google 'Firsts in the recording of sight and sound'.