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  2. History of mathematical notation - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematical...

    In this system, equations are written in full sentences. For example, the rhetorical form of + = is "The thing plus one equals two" or possibly "The thing plus 1 equals 2". [citation needed] The ancient Egyptians numerated by hieroglyphics.

  3. Ages of Three Children puzzle - Wikipedia

    en.wikipedia.org/wiki/Ages_of_Three_Children_puzzle

    [2] The problem can be presented in different ways, giving the same basic information: the product, that the sum is known, and that there is an oldest child (e.g. their ages adding up to today's date, [3] or the eldest being good at chess [4]). Another version of the puzzle gives the age product as thirty–six, which leads to a different set ...

  4. List of time periods - Wikipedia

    en.wikipedia.org/wiki/List_of_time_periods

    Aegean Civilization (Crete, Greece and Near East; c. 3000 BC – c. 1050 BC) [7] Iron Age Europe (c. 1050 BC – c. 500 AD) Early Iron Age (c. 1050 BC – 776 BC) – part of the Greek Dark Ages; Classical antiquity (776 BC – 476 AD) Archaic Greece (776 BC – 480 BC) – begins with the First Olympiad, traditionally dated 776 BC

  5. Alphabetic numeral system - Wikipedia

    en.wikipedia.org/wiki/Alphabetic_numeral_system

    An alphabetic numeral system is a type of numeral system.Developed in classical antiquity, it flourished during the early Middle Ages. [1] In alphabetic numeral systems, numbers are written using the characters of an alphabet, syllabary, or another writing system.

  6. Numeral system - Wikipedia

    en.wikipedia.org/wiki/Numeral_system

    For example, in the decimal system (base 10), the numeral 4327 means (4×10 3) + (3×10 2) + (2×10 1) + (7×10 0), noting that 10 0 = 1. In general, if b is the base, one writes a number in the numeral system of base b by expressing it in the form a n b n + a n − 1 b n − 1 + a n − 2 b n − 2 + ... + a 0 b 0 and writing the enumerated ...

  7. 'We hold these truths to be self-evident.' The Declaration of ...

    www.aol.com/news/hold-truths-self-evident...

    On July 4, 1776, a group of American founders pledged their lives, fortunes and sacred honor to found a new nation.

  8. List of types of numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_types_of_numbers

    Even and odd numbers: An integer is even if it is a multiple of 2, and is odd otherwise. Prime number: A positive integer with exactly two positive divisors: itself and 1. The primes form an infinite sequence 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, ...

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