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Ancient Egypt: Difference between revisions
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==== Numeric system ==== | ==== Numeric system ==== | ||
* surviving evidence shows Egyptians used base-10 numeric system | * surviving evidence shows Egyptians used base-10 numeric system | ||
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* the number 276 would be represented as: | * the number 276 would be represented as: | ||
[[File:Egypt Hieroglyph numbers 276.gif|none|thumb]] | [[File:Egypt Hieroglyph numbers 276.gif|none|thumb]] | ||
==== addition and subtraction ==== | ==== addition and subtraction ==== | ||
* like many early peoples, Egyptians recorded addition and subtracting using indicators of adding to or taking away numbers | * like many early peoples, Egyptians recorded addition and subtracting using indicators of adding to or taking away numbers | ||
*to add a number would be | *to add a number would be | ||
**2 <-- 1 = 3 | **2 <-- 1 = 3 | ||
***= adding 1 to 2 | ***= adding 1 to 2 | ||
** Egyptian symbol for addition = "go in" | |||
[[File:Hiero_D54.png]] (= feet walking towards the first number being added to)<br> | |||
so <big>1 [[File:Hiero_D54.png]] 2 = 3</big> | |||
*to subtract a number would be | *to subtract a number would be | ||
**3 --> 1 = 02 | **3 --> 1 = 02 | ||
***= taking away 1 from 3 | ***= taking away 1 from 3 | ||
** Egyptian symbol for subtraction = "go out"<br> | |||
so <big>3 [[File:Hiero_D55.png]] 1 = 2</big> | |||
[[File:Hiero_D55.png]] (= feet walking away from first number being added to) | |||
* Sources | |||
** [[https://en.wikipedia.org/wiki/Ancient_Egyptian_mathematics|Ancient Egyptian mathematics (wikipedia)]] | |||
** [[https://en.wikipedia.org/wiki/Ancient_Egyptian_units_of_measurement|Ancient Egyptian units of measurement (wikipedia)]] | |||
===Gender equality=== | ===Gender equality=== | ||