Portuguese Braille is the braille alphabet of the Portuguese language, both in Portugal and in Brazil. It is very close to French Braille, with slight modification of the accented letters and some differences in punctuation.
Alphabet
The French Braille letters for vowels with a grave accent in print tend to be used for vowels with an acute accents in Portuguese Braille. (See French Braille#Similar alphabets. The French vowels ⠪œ and ⠜ä are used for the Portuguese nasal vowels õ and ã. In numerical order, the letters are:
The real sign is typically used like a decimal point: 4$50.
For arithmetic:
+
−
×
:
=
/ (fraction)
>
<
The fraction bar ⠐⠲ is equivalent to either a virgule or horizontal bar in print. For exponents, use the superscript sign ⠡ below.
Formatting
(digit)
(Caps)
(ALL CAPS)
(emphasis)
(super- script)
(sub- script)
(l.c.)
(orig.)
(col.)
⠨⠨ is used to indicate that an entire word is in upper case. For a series of words in upper case, a colon is added: ⠒⠨⠨.
Emphasis corresponds to bold or italic in print. As with brackets, a second sign indicates the end of the emphasized text.
The lower-case sign ⠐ is also used to mark that a line break occurs in the middle of a mathematical expression.
⠰ restores the original reading of a character.
⠿ is optionally used as a column marker when transcribing tables, especially those with empty cells, to clarify the alignment of the data. For example, the first line of the table at the top of this section would be, in a braille text,