India had learned astronomy since 3000 years ago. As in some other parts of the world are very slow growing astronomy because he got the tools to conduct better investigations. Nevertheless astronomers in India have held observation since 1200 years BC. They have measured the diameter or the diameter of the earth and found the figure 12,600 kilometers. They also measure the distance of the earth and moon and obtained a distance of about 407,165.55 kilometers. The figures though are not exactly correct, but they're quite sharp calculations. Compare the distance the Earth and the moon 385,000 kilometers and 12,757 kilometers diameter of the earth.
But the most important meaning for human life is the discovery of the system subsequent figures. Regarding these figures the system where the actual place of birth is unknown. Name known until now is the arabic numerals. But in general, people are more inclined to argue that the origins are from India. System numbers in question, namely, 0,1,2,3,4,5,6,7,8,9,10,11 and so on.
With the discovery of these figures the system then develops knowledge became easier. Most scholars believe that these figures were developed and popularized in the Arab regions. All the more so in the heyday of Islam. Islamic world stretching from Spain in the west to the east baghdad which at that time was very rapid development of science. System of numbers later known as Arabic numerals.
We know that the system of the other numbers are very difficult to use if the numbers are big. Particularly if used to subtract, add, divide, multiply, and others. The figures chinese, japanese, roman, not suitable, not practically used in arithmetic. Roman numbers I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII, and so on. After all zeros at no roman numerals. How difficult it is to use the roman numbers.
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