| FATAN2 | atan2 arc tangent | FRT = atan2(FRB, FRA) | Zarctrignpi |
| FATAN2PI | atan2 arc tangent / pi | FRT = atan2(FRB, FRA) / pi | Zarctrigpi |
| FPOW | x power of y | FRT = pow(FRA, FRB) | ZftransAdv |
-| FPOWN | x power of n (n int) | FRT = pow(FRA, FRB) | ZftransAdv |
+| FPOWN | x power of n (n int) | FRT = pow(FRA, RB) | ZftransAdv |
| FPOWR | x power of y (x +ve) | FRT = exp(FRA log(FRB)) | ZftransAdv |
-| FROOTN | x power 1/n (n integer)| FRT = pow(FRA, 1/FRB) | ZftransAdv |
+| FROOTN | x power 1/n (n integer)| FRT = pow(FRA, 1/RB) | ZftransAdv |
| FHYPOT | hypotenuse | FRT = sqrt(FRA^2 + FRB^2) | ZftransAdv |
## List of 1-arg transcendental opcodes