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安裝中文字典英文字典辭典工具!
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- Decimal separator - Wikipedia
A decimal separator is a symbol that separates the integer part from the fractional part of a number written in decimal form Different countries officially designate different symbols for use as the separator The choice of symbol can also affect the choice of symbol for the thousands separator used in digit grouping Any such symbol can be called a decimal mark, decimal marker, or decimal
- Decimal representation - Wikipedia
A decimal representation of a non-negative real number r is its expression as a sequence of symbols consisting of decimal digits traditionally written with a single separator: Here is the decimal separator, k is a nonnegative integer, and are digits, which are symbols representing integers in the range 0, , 9 Commonly, if The sequence of the —the digits after the dot—is generally
- List of typographical symbols and punctuation marks - Wikipedia
List of typographical symbols and punctuation marksTypographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases This list gives those most commonly encountered with Latin script For a far more comprehensive list of symbols and signs, see List of Unicode
- Hindu–Arabic numeral system - Wikipedia
The Hindu–Arabic system is designed for positional notation in a decimal system In a more developed form, positional notation also uses a decimal marker (at first a mark over the ones digit but now more commonly a decimal point or a decimal comma which separates the ones place from the tenths place), and also a symbol for "these digits recur ad infinitum " In modern usage, this latter
- Glossary of mathematical symbols - Wikipedia
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula or a mathematical expression More formally, a mathematical symbol is any grapheme used in mathematical formulas and expressions As formulas and
- Decimal - Wikipedia
The decimal numeral system (also called the base-ten positional numeral system and denary diːnəri [1] or decanary) is the standard system for denoting integer and non-integer numbers It is the extension to non-integer numbers (decimal fractions) of the Hindu–Arabic numeral system The way of denoting numbers in the decimal system is often referred to as decimal notation [2] A decimal
- Hexspeak - Wikipedia
Hexspeak is a novelty form of variant English spelling using the hexadecimal digits Created by programmers as memorable magic numbers, hexspeak words can serve as a
- Hexadecimal - Wikipedia
Hexadecimal (hex for short) is a positional numeral system for representing a numeric value as base 16 For the most common convention, a digit is represented as "0" to "9" like for decimal and as a letter of the alphabet from "A" to "F" (either upper or lower case) for the digits with decimal value 10 to 15 As typical computer hardware is binary in nature and that hex is power of 2, the hex
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