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  2. Decimal separator - Wikipedia

    en.wikipedia.org/wiki/Decimal_separator

    [6] [2] [7] In some specialized contexts, the word decimal is instead used for this purpose (such as in International Civil Aviation Organization-regulated air traffic control communications). In mathematics, the decimal separator is a type of radix point, a term that also applies to number systems with bases other than ten.

  3. Decimal representation - Wikipedia

    en.wikipedia.org/wiki/Decimal_representation

    Conventionally, the decimal representation without trailing 9's is preferred. Moreover, in the standard decimal representation of x {\displaystyle x} , an infinite sequence of trailing 0's appearing after the decimal point is omitted, along with the decimal point itself if x {\displaystyle x} is an integer.

  4. Arithmetic - Wikipedia

    en.wikipedia.org/wiki/Arithmetic

    Arithmetic is an elementary branch of mathematics that studies ... the numbers 1, 5, 10, 50, 100, 500, and 1000. ... digit 19 followed by a decimal point and a ...

  5. Glossary of mathematical symbols - Wikipedia

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

    Legendre symbol: If p is an odd prime number and a is an integer, the value of () is 1 if a is a quadratic residue modulo p; it is –1 if a is a quadratic non-residue modulo p; it is 0 if p divides a.

  6. Scientific notation - Wikipedia

    en.wikipedia.org/wiki/Scientific_notation

    For comparison, the same number in decimal representation: 1.125 × 2 3 (using decimal representation), or 1.125B3 (still using decimal representation). Some calculators use a mixed representation for binary floating point numbers, where the exponent is displayed as decimal number even in binary mode, so the above becomes 1.001 b × 10 b 3 d or ...

  7. Positional notation - Wikipedia

    en.wikipedia.org/wiki/Positional_notation

    The most significant digit (10) is "dropped": 10 1 0 11 <- Digits of 0xA10B ----- 10 Then we multiply the bottom number from the source base (16), the product is placed under the next digit of the source value, and then add: 10 1 0 11 160 ----- 10 161 Repeat until the final addition is performed: 10 1 0 11 160 2576 41216 ----- 10 161 2576 41227 ...

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    mail.aol.com

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  9. Trailing zero - Wikipedia

    en.wikipedia.org/wiki/Trailing_zero

    In mathematics, trailing zeros are a sequence of 0 in the decimal representation (or more generally, in any positional representation) of a number, after which no other digits follow. Trailing zeros to the right of a decimal point , as in 12.340, don't affect the value of a number and may be omitted if all that is of interest is its numerical ...