re
:
real part
im
: imaginary part
conj
: conjugate
abs
: absolute value (modulus)
arg
: argument. Warning: for expressions containing variables,
the returned argument is only valid modulo .
RE
, IM
, CONJ
. This could lead to false
simplifications if a global
name stays for a complex, or if a non-rational inverse function is
called with a usually forbidden real argument, like
LN(-1)
or ASIN(2)
Solution: either replace your global name, say 'Z'
,
by 'X+iY'
or set flag 13
(shortcut -right shift-CST
or 13 SF
)