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2.1.19 Real

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The Real data type supports a value range from -3.40E+38 through -1.18E-38; 0; from 1.18E-38 through 3.40E+38. The values of this data type are represented in simple Unicode string format, as follows.

  
 Real = ["-"] 1*7DIGIT["."7DIGIT]["e"("-"/"+")((("0"–"2")DIGIT) / ("3")(%x30-38))]