But the coolest of all are the graphics and icon symbols.
In addition to the keyboard characters, you’ll find decimal codes for Greek and Latin letters, accent letters, pronunciation symbols over the alphabet, and mathematical symbols, such as the division and square root operators, the accent grave and circumflex symbols, plus worldwide currency symbols, and more. For example, Alt+ 0251 = û (the Latin small letter u with circumflex symbol above it) while Alt+ 251 = √ (the square root sign)-and so forth until you reach 256, which is the same as 0256 (both produce the pronunciation symbol for an uppercase ‘long’ A that is, Ā). You can test this yourself by entering both versions of these numbers.
Somewhere around the decimal code 256, the preceding zero is no longer necessary.
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