CHR$(number) returns a single-character string, determined by
number (after it has been rounded down, if it is a noninteger).
number is between 32 and 126 inclusive,
CHR$(number) gives the character indexed by that number in the ASCII table, except for
CHR$(92), which gives the Yen symbol (¥). (ASCII character 92 is the backslash, which you can get from
number is any other value between 0 and 255 inclusive, the character given is one of the other symbols available, determined by SmileBoom (see the Character table).
number is any other value, the system generates an error
Out of range (CHR$).
The opposite of
CHR$ is ASC; the result of
A (as long as it's an integer between 0 and 255 inclusive), and the result of
CHR$(ASC(A$)) is the first character of
A$ (as long as it's not empty).