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2. Dot-decimal notation - Wikipedia

   en.wikipedia.org/wiki/Dot-decimal_notation

   Dot-decimal notation is a presentation format for numerical data. It consists of a string of decimal numbers, using the full stop (dot) as a separation character. [1] A common use of dot-decimal notation is in information technology where it is a method of writing numbers in octet-grouped base-10 numbers. [2]

3. Fraction - Wikipedia

   en.wikipedia.org/wiki/Fraction

   To explain the process, consider one third of one quarter. Using the example of a cake, if three small slices of equal size make up a quarter, and four quarters make up a whole, twelve of these small, equal slices make up a whole. Therefore, a third of a quarter is a twelfth. Now consider the numerators.

4. Quater-imaginary base - Wikipedia

   en.wikipedia.org/wiki/Quater-imaginary_base

   Most numbers have a unique quater-imaginary representation, but just as 1 has the two representations 1 = 0. 9 in decimal notation, so, because of 0. 0001 2i = ⁠ 1 / 15 ⁠, the number ⁠ 1 / 5 ⁠ has the two quater-imaginary representations 0. 0003 2i = 3· ⁠ 1 / 15 ⁠ = ⁠ 1 / 5 ⁠ = 1 + 3· ⁠ –4 / 15 ⁠ = 1. 0300 2i.

5. Fixed-point arithmetic - Wikipedia

   en.wikipedia.org/wiki/Fixed-point_arithmetic

   A fixed-point representation of a fractional number is essentially an integer that is to be implicitly multiplied by a fixed scaling factor. For example, the value 1.23 can be stored in a variable as the integer value 1230 with implicit scaling factor of 1/1000 (meaning that the last 3 decimal digits are implicitly assumed to be a decimal fraction), and the value 1 230 000 can be represented ...

6. Ternary numeral system - Wikipedia

   en.wikipedia.org/wiki/Ternary_numeral_system

   For example, decimal 365 (10) or senary 1 405 (6) corresponds to binary 1 0110 1101 (2) (nine bits) and to ternary 111 112 (3) (six digits). However, they are still far less compact than the corresponding representations in bases such as decimal – see below for a compact way to codify ternary using nonary (base 9) and septemvigesimal (base 27).

7. Decimal representation - Wikipedia

   en.wikipedia.org/wiki/Decimal_representation

   Moreover, in the standard decimal representation of , an infinite sequence of trailing 0's appearing after the decimal point is omitted, along with the decimal point itself if is an integer. Certain procedures for constructing the decimal expansion of x {\displaystyle x} will avoid the problem of trailing 9's.