In the ninth century, the Chinese used an abacus to calculate numbers. It used beads strung on sticks to manually add.
French mathematician Blaise Pascal invented an adding machine in 1642 that used gears to add numbers.
The first successful adding machine was invented in 1886 by William Burroughs; it cost $475.
The first handheld calculator was invented by Texas Instruments in 1966.
the pocket calculator was invented in 1972.
the calculator was invented in 17th Century by Blaise Pascal.
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.