Abacus was the first calculating device invented by the Chinese.
In China in 1960
paper
Calculating clock is the first known calculating device made by Wilhelm Schickard. This machine can perform the basic mathematical operation, but canÕt show too large result which is limited to six digits.
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.
William Seward
the ABACUS. it is also known as the 1st calculating device created by the Chinese. it is also known as the 1st computer.
yes indeed young sir!
Abacus was the first calculating device invented by the Chinese.
Mechanical input device
how do you when you have crossed a threshold for a mechanical device
Mechanical energy is the sum of potential energy + kinetic energy.
A mechanical or electronic device that displays the time.
Smug
In China in 1960
Light pen is a mechanical or optical device? i don't know answer for this