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+function outstring = SCI2Cstring(innum)
+// function outstring = SCI2Cstring(innum)
+// -----------------------------------------------------------------
+// #RNU_RES_B
+// It fixes the bug of string function when applied to
+// exponential formats:
+// Example:
+// -->string(10e-10)
+// ans =
+// 1.000D-09
+// Note how the "D" is syntactically wrong.
+//
+// Input data:
+// innnum: input number to be converted into string.
+//
+// Output data:
+// outstring: string containing the conversion.
+// #RNU_RES_E
+//
+// Status:
+// 07-May-2008 -- Nutricato Raffaele: Author.
+//
+// Copyright 2008 Raffaele Nutricato.
+// Contact: raffaele.nutricato@tiscali.it
+// -----------------------------------------------------------------
+
+// ------------------------------
+// --- Check input arguments. ---
+// ------------------------------
+SCI2CNInArgCheck(argn(2),1,1);
+
+outstring=strsubst(string(innum),'D','e');
+
+endfunction