Returns the character code corresponding to the character in the first (leftmost) position of a string.
ASC ( string )
└─┬──┘
String expression
ASC("A")
string: String expression
10 INPUT "INPUT CHARACTERS"; A$
20 B$ = LEFT$(A$, 1)
30 C = ASC(A$)
40 PRINT "FIRST CHAR="; B$; " CODE="; C
50 END
Displays first character and corresponding character code for string input.