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  2. Large numbers - Wikipedia

    en.wikipedia.org/wiki/Large_numbers

    If the exponents are equal, the mantissa (or coefficient) should be compared, thus 5×10 4 > 2×10 4 because 5 > 2. ... 2 2 2 = 2 ↑↑ 3 = 16; 3 3 = 27; 4 4 = 256 ...

  3. 3 - Wikipedia

    en.wikipedia.org/wiki/3

    3 12: Hexadecimal: 3 16: Arabic, Kurdish, Persian, Sindhi, Urdu: ... as it is equal to 2! + 1. 3 is the second and only prime triangular number, [5] ...

  4. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    3. Sometimes used instead of for a disjoint union of sets. − 1. Denotes subtraction and is read as minus; for example, 3 – 2. 2. Denotes the additive inverse and is read as minus, the negative of, or the opposite of; for example, –2. 3.

  5. Magic square - Wikipedia

    en.wikipedia.org/wiki/Magic_square

    The primary square is obtained by rotating the root square counter-clockwise by 90 degrees, and replacing the numbers. The resulting square is an associative magic square, in which every pair of numbers symmetrically opposite to the center sum up to the same value, 26. For e.g., 16+10, 3+23, 6+20, etc.

  6. Triple bar - Wikipedia

    en.wikipedia.org/wiki/Triple_bar

    The triple bar character in Unicode is code point U+2261 ≡ IDENTICAL TO (≡, ≡). [1] The closely related code point U+2262 ≢ NOT IDENTICAL TO (≢, ≢) is the same symbol with a slash through it, indicating the negation of its mathematical meaning.

  7. A Guide to 3(38), 3(16) and 3(21) Fiduciaries - AOL

    www.aol.com/finance/guide-3-38-3-16-193014827.html

    Federal law recognizes three types of 401(k) fiduciaries, 3(16), 3(21) and 3(38) fiduciaries. The names refer to the sections of the law describing their functions, with 3(16) fiduciaries ...

  8. Sums of three cubes - Wikipedia

    en.wikipedia.org/wiki/Sums_of_three_cubes

    Semi-log plot of solutions of + + = for integer , , and , and .Green bands denote values of proven not to have a solution.. In the mathematics of sums of powers, it is an open problem to characterize the numbers that can be expressed as a sum of three cubes of integers, allowing both positive and negative cubes in the sum.

  9. Plus and minus signs - Wikipedia

    en.wikipedia.org/wiki/Plus_and_minus_signs

    The subtraction operator: a binary operator to indicate the operation of subtraction, as in 5 − 3 = 2. Subtraction is the inverse of addition. [1] The function whose value for any real or complex argument is the additive inverse of that argument. For example, if x = 3, then −x = −3, but if x = −3, then −x = +3.