x, y: Numerical value or numerical variable 
n, m: Round the numeric value up or off to the specified digit(s) 
a, b: String or string variable 
 
 
 
 
   
Category  Type  Identifier  Description 
String 
System 
Converts the top 8 characters to a double-precision decimal 
float using the Little Endian byte order. (8-byte Double Little 
Returns the sum of a string code from top to bottom. 
Remainder  of  dividing  a  string  (bit  string)  by  a  generator 
polynomial X16+X12+X5+1 
Bit exclusive disjunction 
117