ASC function
Changes full-width (double-byte) English letters or katakana within a character string to half-width (single-byte) characters
BAHTTEXT function
Converts a number to text, using the ß (baht) currency format
CHAR function
Returns the character specified by the code number
CLEAN function
Removes all nonprintable characters from text
CODE function
Returns a numeric code for the first character in a text string