Unformatted text preview: ◦ No terminal placeholder • Wedge = 1 = d • Boomerang = crescent = 10 = ≺ Egyptian • Nile river • Old Kingdom started in about 2700 BC • Oldest mathematical scrolls and tablets date to about 2000 BC • Three number systems ◦ Decimal ◦ Hieroglyphic system ⋆ Symbols for 10 n ,n = ... 6 ⋆ Stroke, loaf, coil, lotus Fower, bent thumb, ±sh, man with raised hands ⋆ Additive ⋆ Typically right to left ◦ Hieratic and Demotic systems ⋆ Ciphered = symbols for b n k , base = b , k < b · Intrinsically additive · Advantage: compact · Disadvantage: Lots of symbols...
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This note was uploaded on 12/29/2011 for the course MATH 378 taught by Professor Wen during the Fall '10 term at SUNY Stony Brook.
 Fall '10
 wen
 Math

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