There are no superscript letters in ASCII. ASCII contains only the basic Latin (English) letters A–Z, a–z, digits, and a small collection of other characters. There are only 128 code positions in ASCII. In Unicode, there are more characters (about 1,000,000 code positions, about which a little over 100,000 have currently been assigned). They include … Read more
ASCII defines 128 characters, which map to the numbers 0–127. Unicode defines (less than) 221 characters, which, similarly, map to numbers 0–221 (though not all numbers are currently assigned, and some are reserved). Unicode is a superset of ASCII, and the numbers 0–127 have the same meaning in ASCII as they have in Unicode. For example, the … Read more
ASCII defines 128 characters, which map to the numbers 0–127. Unicode defines (less than) 221 characters, which, similarly, map to numbers 0–221 (though not all numbers are currently assigned, and some are reserved). Unicode is a superset of ASCII, and the numbers 0–127 have the same meaning in ASCII as they have in Unicode. For example, the … Read more