Acos Acosh Asin Asinh Atan2 Atanh Cosh Cospi Exp2 Expm1 Log10 Log1p Log2 Powm1 Sinh Sinpi Sqrt1pm1 Tanh

Log2() Function Log2 ( X As  Double, Optional Info As  Long  ) log2(x) (base-2 logarithm of x) Purpose Computes the base-2 logarithm of x. Returns Double log2(x). Parameters [in] X Argument x. (X > 0) [out] Info (Optional) = 0: Successful exit. = -1: The argument X had an illegal value. (X < 0) = 1: Floating point range error.