the pocket calculator was invented in 1972.
the calculator was invented by a man called de lou franc
The calculator was invented to calculate large mathematical problems.AnswerThe calculator was invented to calculate large mathematical problems.
who invented the first mechanical digital calculator
The first calculator is believed to have been invented in North Africa, however China invented the spoon and the compass.
The first adding calculator machine was invented by Blaise Pascal.
William Seward Burroughs invented the first practical calculator in 1632.
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 calculator was invented in 1623.
it was invented by Gottfried Liebniz