Most recent change of Number
Edit made on November 29, 2008 by ColinWright at 11:49:16
Deleted text in red /
Inserted text in green
WW
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The definition of number in Mathematics has developed throughout the ages.
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Circa 20000 B.C.
Circa 2800 B.C.
800 - 500 B.C.
5th Century B.C.
100 B.C.
16th Century
1761
1843
1895
1966
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Whole numbers
Rational numbers
Irrational numbers
zero
Negative numbers
Complex numbers
Transcendental numbers
Quaternions
Transfinite numbers
Hyperreal numbers
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Africa - How old is Mathematics?
India
India
India
China
Italy - Niccolo Fontana Tartaglia, Gerolamo Cardano
Switzerland - Johann Heinrich Lambert
Ireland - Sir William Rowan Hamilton
Germany - Georg Cantor
U.S.A. - Abraham Robinson
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| *When* | *What* | *Where* |
| Circa 20000 B.C. | Whole numbers | Africa - How old is Mathematics? |
| Circa 2800 B.C. | Rational numbers | India |
| 800 - 500 B.C. | Irrational numbers | India |
| 5th Century B.C. | zero | India |
| 100 B.C. | Negative numbers | China |
| 16th Century | Complex numbers | Italy - Niccolo Fontana Tartaglia, Gerolamo Cardano |
| 1761 | Transcendental numbers | Switzerland - Johann Heinrich Lambert |
| 1843 | Quaternions | Ireland - Sir William Rowan Hamilton |
| 1895 | Transfinite numbers | Germany - Georg Cantor |
| 1966 | Hyperreal numbers | U.S.A. - Abraham Robinson |