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The display of an imaginary number lying on the negative side of the imaginary line is incorrect when set to decimal. The negative sign seems to be omitted. (General, Scientific, and Engineering all display correctly)
Same item as here: What Happened to my Negative sign. So it's a known bug.
What version of Prime do you use?
Luc
I'm using 3.1, looks as though it's been resolved in 4.0
Thanks.
You're welcome.
Luc