ArcTan(x,y)?

[KeithB]

(04-05-2017 07:28 PM)KeithB Wrote:  

(04-05-2017 06:22 PM)StephenG1CMZ Wrote:  The Syntax is described as ARG(3+3i) but this gives a syntax error.
Actually (3+3*i) is required.

Not on my Prime, it works fine. Guess I have a special one.

I think I just stumbled across the problem you had:
arg(1+i1) is OK
arg(.1+i.1) is a syntax error
arg(0.1+i0.1) is OK
arg(.1+.1i) is OK

So you get the error when the decimal point is adjacent to i.