A date on Excel is simply a number with a special date format. This number represents the number of days since January 1, 1900. It is therefore possible to perform any operation on dates as on any …

While the contribution of the ancient Greeks in the fields of rational thought, science, and fine arts remains unique, the history of ancient Greek technology is still quite unknown. A thorough study of the ancient Greek, Latin, and Arabic literature, the angiographic information, and the few releva

Astrolabe Definition

Egypt geometry and astronomy. Written evidence of the use of mathematics dates back to at least 3000 BC with the ivory labels found at Tomb Uj at Abydos. These labels appear to have been used as tags for grave goods and some are inscribed with numbers.Further evidence of the use of the base 10 number system can be found on for instance the Narmer Macehead which depicts offerings of 400,000 oxen, 1,422,000 goats and 120,000 prisoners.We use geometry as math class.

The Museum of Ancient Greek Technology in Katakolon is a small museum founded by Kostas Kotsanas. The Museum of Ancient Greek Technology is located at a close proximity to the main port of Katakolo…

The Chinese have invented Paper and Gunpowder. But they also made 10 Chinese inventions you didn't know Discover 10 of them use daily!

The compass was probably invented in the Qin Dynasty (221-206BC) by Chinese fortune-tellers who used the stones to construct their fortune telling boards. But they eventually realised that the stones were always pointed towards the north, and the compass really came into being.

ancient chinese inventions