perm filename CHART2[ALS,ALS] blob sn#260174 filedate 1977-02-01 generic text, type C, neo UTF8
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C00002 00002	\|\\M1METLB\F1
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Number systems

Binary
    Won-Sang 1182-1135 B.C.
    Many primative peoples
    Modern computer usage
Base 5 (one hand only)
    Roman and Mayan usage
Base 20 (fingers and toes)
    French & English traces
Decimal (10 fingers)
    Hindus (circa 800 A.D.)



Advances in 25 years

	1951	1976
Chars.	5000 	5,000,000
Cost/c	$20	2 cents
Speed	10 m.s.	10 n.s.

Factor of 1000 in 25 years