The Egyptians used the plumb bob and triangles of knotted cord.
Eines der schwierigsten Probleme beim …
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The Egyptians used the plumb bob and triangles of knotted cord.
Eines der schwierigsten Probleme beim …
The Egyptians made metal rods, which corresponded to a cubit; they divided the cubit in hand with markings- and finger widths. The …
Egyptians, the ago more than 5000 years lived, are called the first practical mathematicians. Measured against modern mathematics, war …
Sundials were the first “clocks”, The obelisk throws his work on the ground. The arc of a circle, den die Spitze des Obelisken …
The phases of the moon became man's first calendar. The full moon is waning, becomes a narrow sickle, verschwindet schließlich ganz …
Prehistoric people had no cities and no villages; they roamed about in search of food. Es gab weder …
Every advance of civilization brought it with it, that more and more numbers were needed. If someone owned a flock, wollte …
In ancient Egypt as well as in China, Greece and Rome used special signs, to express large numbers. Diese Erfindung …