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    Topic complex String functions
    Function stradd()
    Short Addition of huge numbers as strings
    Syntax STRADD(s1, s2 : STRING) : STRING
    Parameter s1, s2 : whole numbers as strings
    Return str(val(s1)+val(s2))
    See also:
    str() val()
    Description To create checksums sometimes very huge numbers (100 digits an more) have to be added. Therefor the 8-Byte Reals (Double Precision) of the tdbengine are not enough. That is why such numbers are represented as strings which can be added by STRADD.

    Example:
    VAR a : STRING='11111222223333344444';
    VAR b : STRING='92222333334444455555';
    VAR c : STRING=STRADD(a,b)
    ...
    c = '103333555557777799999'


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       Last changed: 21.10.2004
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