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  2. Counting rods - Wikipedia

    en.wikipedia.org/wiki/Counting_rods

    In 1954, forty-odd counting rods of the Warring States period (5th century BCE to 221 BCE) were found in Zuǒjiāgōngshān (左家公山) Chu Grave No.15 in Changsha, Hunan. [2] [3] [failed verification] In 1973, archeologists unearthed a number of wood scripts from a tomb in Hubei dating from the period of the Han dynasty (206 BCE to 220 CE ...

  3. History of the Hindu–Arabic numeral system - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Hindu...

    The Hindu–Arabic numeral system is a decimal place-value numeral system that uses a zero glyph as in "205". [1]Its glyphs are descended from the Indian Brahmi numerals.The full system emerged by the 8th to 9th centuries, and is first described outside India in Al-Khwarizmi's On the Calculation with Hindu Numerals (ca. 825), and second Al-Kindi's four-volume work On the Use of the Indian ...

  4. History of ancient numeral systems - Wikipedia

    en.wikipedia.org/wiki/History_of_ancient_numeral...

    In the Etruscan system, the symbol 1 was a single vertical mark, the symbol 10 was two perpendicularly crossed tally marks, and the symbol 100 was three crossed tally marks (similar in form to a modern asterisk *); while 5 (an inverted V shape) and 50 (an inverted V split by a single vertical mark) were perhaps derived from the lower halves of ...

  5. History of mathematical notation - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematical...

    For example, the four vertical lines used to represent the number 'four' were replaced by a single horizontal line. This is found in the Rhind Mathematical Papyrus (c. 2000–1800 BC) and the Moscow Mathematical Papyrus (c. 1890 BC).

  6. Brahmi script - Wikipedia

    en.wikipedia.org/wiki/Brahmi_script

    The same year, in 1834, some attempts by Rev. J. Stevenson were made to identify intermediate early Brahmi characters from the Karla Caves (c. 1st century CE) based on their similarities with the Gupta script of the Samudragupta inscription of the Allahabad pillar (4th century CE), which had just been published, but this led to a mix of good ...

  7. Numeral system - Wikipedia

    en.wikipedia.org/wiki/Numeral_system

    The positional systems are classified by their base or radix, which is the number of symbols called digits used by the system. In base 10, ten different digits 0, ..., 9 are used and the position of a digit is used to signify the power of ten that the digit is to be multiplied with, as in 304 = 3×100 + 0×10 + 4×1 or more precisely 3×10 2 ...

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  9. Timeline of mathematics - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_mathematics

    This is a timeline of pure and applied mathematics history.It is divided here into three stages, corresponding to stages in the development of mathematical notation: a "rhetorical" stage in which calculations are described purely by words, a "syncopated" stage in which quantities and common algebraic operations are beginning to be represented by symbolic abbreviations, and finally a "symbolic ...