> These mappings of numbers to characters are just a convention that someone decided on when ASCII was developed in the 1960s. There’s nothing fundamental that

> These mappings of numbers to characters are just a convention that someone decided on when ASCII was developed in the 1960s. There’s nothing fundamental that dictates that a capital A has to be character number 65, that’s just the number they chose back in the day. I don't think it's mere coincidence that the capital letters start at 65 and the lower case at 97 and the decimal digits at 48.