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Chalcolithic (or "Eneolithic", "Copper Age") Ancient history (The Bronze and Iron Ages are not part of prehistory for all regions and civilizations who had adopted or developed a writing system.) Bronze Age; Iron Age; Late Middle Ages. Renaissance; Early modern history; Modern history. Industrial Age (1760–1970) Machine Age (1880–1945) Age ...
The numeral 4: Some people leave the top "open": all the lines are either vertical or horizontal, as in a seven-segment display. This makes it easier to distinguish from the numeral 9 . Whether the horizontal bar terminates at or crosses the right vertical bar is insignificant in the West, but to be distinguished from certain Chinese characters ...
Within the counting system used with most discrete objects (including animals like sheep), there was a token for one item (units), a different token for ten items (tens), a different token for six tens (sixties), etc. Tokens of different sizes and shapes were used to record higher groups of ten or six in a sexagesimal number system. Different ...
By the end of the 4th millennium BC, this symbol system had evolved into a method of keeping accounts, using a round-shaped stylus impressed into soft clay at different angles for recording numbers on clay tablets and accounting tokens. This was gradually augmented with pictographic writing using a sharp stylus to indicate what was being counted.
Greek numerals one through four were written as vertical lines, as in the hieroglyphics. The symbol for five was the Greek letter Π (pi), representing the Greek word for 'five' (pente). Numbers six through nine were written as a Π with vertical lines beside it.
The Bronze Age is the earliest period in which some civilizations reached the end of prehistory, by introducing written records. The Bronze Age, or parts thereof, are thus considered to be part of prehistory only for the regions and civilizations who developed a system of keeping written records during later periods.
Writing systems are used to record human language, and may be classified according to certain common features.. The usual name of the script is given first; the name of the languages in which the script is written follows (in brackets), particularly in the case where the language name differs from the script name.
This article cites its sources but its page reference ranges are too broad or incorrect. Please help in adding a more precise page range. (July 2024) (Learn how and when to remove this message) Survey of eight prominent scripts (left to right, top to bottom): Sumerian cuneiform, Egyptian hieroglyphs, Chinese characters, Maya script, Devanagari, Latin alphabet, Arabic alphabet, Braille Part of ...