bas7advr.hlp (Topic list)
ASC Function Details
  Syntax  Details  Example                 Contents  Index  Back
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ASC returns a numeric value that is the ASCII code for the first
character in the argument stringexpression$.
 
ASC(stringexpression$)
 
Usage Notes
    ■ If the argument stringexpression$ is null, BASIC generates the
      run-time error message, "Illegal function call."