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<p>[QUOTE="Neal, post: 3177655, member: 43872"]Greek numerals were even more cumbersome than Roman numerals. Each letter of the alphabet stood for a number: alpha=1, beta+2, etc. (plus a couple of odd letters that were no longer used as letters). Iota+10, kappa=20, mu=40, hence their appearance on Byzantine coins of 10, 20, and 40 nummi. Rho=100, sigma=200, tau=300, etc. Neither system used zero. Place meant almost nothing to the Greek system. Try doing your college algebra with that! Yet Romans managed to build empires, roads, bridges, aqueducts and magnificent buildings and monuments. Greeks did geometry, calculated roots and powers, and formulated complex theorems. One Greek, Eratosthenes (c. 276-194 BC) calculated the earth's diameter at about 24,662 miles (less than 300 miles short), figured the earth's tilt, drew lines of latitude and longitude, and invented leap day. All of this with no computers other than their heads, pens, and a little papyrus.[/QUOTE]</p><p><br /></p>
[QUOTE="Neal, post: 3177655, member: 43872"]Greek numerals were even more cumbersome than Roman numerals. Each letter of the alphabet stood for a number: alpha=1, beta+2, etc. (plus a couple of odd letters that were no longer used as letters). Iota+10, kappa=20, mu=40, hence their appearance on Byzantine coins of 10, 20, and 40 nummi. Rho=100, sigma=200, tau=300, etc. Neither system used zero. Place meant almost nothing to the Greek system. Try doing your college algebra with that! Yet Romans managed to build empires, roads, bridges, aqueducts and magnificent buildings and monuments. Greeks did geometry, calculated roots and powers, and formulated complex theorems. One Greek, Eratosthenes (c. 276-194 BC) calculated the earth's diameter at about 24,662 miles (less than 300 miles short), figured the earth's tilt, drew lines of latitude and longitude, and invented leap day. All of this with no computers other than their heads, pens, and a little papyrus.[/QUOTE]
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