MODULE: GSL/conv package

    Class: Conversion Functions
    
        Function: conv . chr (arg)
                    Converts ascii code to character.
        If the argument is a number between 1 and 255, inclusive,
        returns the character represented by the ascii code.
        If the argument is a number is outside the range,
        returns the empty string.

        Function: conv . number (arg)
                    Converts numeric looking input to number value.
        If the argument looks like a number, returns the numeric value.

        Function: conv . ord (arg)
                    Converts character to ascii code.
        If the argument is a string, returns the ascii 
        code of the first character, only.

        Function: conv . string (arg)
                    Converts input to string value.
        If the argument is defined, returns string value.