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The double hyphen is used for several different purposes throughout the world: Some typefaces, such as Fraktur faces, use the double hyphen as a glyphic variant of the single hyphen. (With Fraktur faces, such a double hyphen is usually oblique.) It may be also used for artistic or commercial purposes to achieve a distinctive visual effect.
Hyphen: Dash, Hyphen-minus-Hyphen-minus: Dash, Hyphen, Minus sign ☞ Index: Manicule, Obelus (medieval usage) · Interpunct: Full-stop, Period, Decimal separator, Dot operator ‽ Interrobang (combined 'Question mark' and 'Exclamation mark') Inverted question and exclamation marks ¡ Inverted exclamation mark: Exclamation mark, Interrobang ...
Since this notation uses digits 0-9 followed by consecutive letters of the alphabet, it matches the digits used by the JavaScript parseInt() function [5] and the Python int() constructor [6] when a base larger than 10 (such as 16 or 32) is specified. It also retains hexadecimal's property of preserving bitwise sort order of the represented data ...
NOTE C does not specify a radix for float, double, and long double. An implementation can choose the representation of float, double, and long double to be the same as the decimal floating types. [2] Despite that, the radix has historically been binary (base 2), meaning numbers like 1/2 or 1/4 are exact, but not 1/10, 1/100 or 1/3.
If a decimal string with at most 15 significant digits is converted to the IEEE 754 double-precision format, giving a normal number, and then converted back to a decimal string with the same number of digits, the final result should match the original string.
The nnnn or hhhh may be any number of digits and may include leading zeros. The hhhh may mix uppercase and lowercase, though uppercase is the usual style. In contrast, a character entity reference refers to a character by the name of an entity which has the desired character as its replacement text .
DECIMAL_DIG (C99) – minimum number of decimal digits such that any number of the widest supported floating-point type can be represented in decimal with a precision of DECIMAL_DIG digits and read back in the original floating-point type without changing its value. DECIMAL_DIG is at least 10.
to avoid double vowels, such as "semi-independent" when writing out fractions like "one-third" or "three-fifths" The hyphen is entered by the hyphen or minus key on all standard keyboards. In mathematical formula templates, a hyphen codes for a minus sign, but in plain text − produces the minus sign (see below).