Abacus was the first calculating device invented by the Chinese.
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 chinese and it is for counting. it is the original calculator
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.
An Abicus
Abacus was the first calculating device invented by the Chinese.
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 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 chinese and it is for counting. it is the original calculator
napiers bone
The Chinese abacus.
The Compass
The Geiger-Muller counter was invented by Hans Geiger and Walther Muller in 1928.
Pre-historic humanoids who discovered that they all had five finger (including thumb) on each hand.
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 last prophet HAZRAT MUHAMMAD MUSTAFA (PEACE BE UPON HIM) INVENTED COUNTING
The Chinese invented the Rudder.it was invented by the Chinese