Speaking of the calculator, what we are proud of is that the earliest computing tools were born in China.
The first calculation tool used in ancient China was called planning, and it was also called calculation. This kind of calculation is made of bamboo, and it is also made of wood. The animal bone acts as a material. A bundle of about 270 pieces can be carried in a bag.
The abacus that is still in use today is another invention in the field of ancient Chinese computing tools. The abacus of the Ming Dynasty was almost identical to the modern abacus.
At the beginning of the 17th century, the computing tools of Western countries had a great development. The British mathematician Napier invented the "Napier calculation", and the English pastor Ozard invented the cylindrical logarithmic scale. Do addition, subtraction, multiplication, division, multiplication, square root calculation, and even trigonometric, exponential and logarithmic functions. These calculation tools not only drive the development of calculators, but also lay a good foundation for the development of modern calculators. A wide range of computing tools for social applications.
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