E
The E function returns an approximation of e, the base of natural logarithms.
The function type is numeric.
When ARITH(COMPAT) is in effect, FUNCTION E returns the long precision (64-bit) floating-point approximation of 2.718281828459045235360287471352662.
When ARITH(EXTEND) is in effect, FUNCTION E returns the extended precision (128-bit) floating-point approximation of 2.718281828459045235360287471352662.