134 Section 11: Calculating With Complex Numbers
a + ib
=
r (cos θ + i sin θ) = re
iθ
(polar)
r
θ
(phasor)
;
and
:
can be used to interconvert the rectangular and polar forms of
a complex number. They operate
in Complex mode
as follows:
´
;
converts the polar (or phasor) form of a complex number to its
rectangular form by replacing the magnitude
r
in the real X-
register with
a,
and replacing the angle
θ
in the imaginary X-
register with
b.
|
:
converts the rectangular coordinates of a complex number to the
polar (or phasor) form by replacing the real part
a
in the real X-
register with
r,
and replacing the imaginary part
b
in the
imaginary X-register with
θ
.
These are the only functions in Complex mode that are affected by the
current trigonometric mode setting.
That is, the angular units for
θ
must
correspond to the trigonometric mode indicated by the annunciator
(or absence thereof).
Summary of Contents for HP-15C
Page 1: ...HP 15C Owner s Handbook HP Part Number 00015 90001 Edition 2 4 Sep 2011 ...
Page 17: ...Part l HP 15C Fundamentals ...
Page 64: ......
Page 65: ...Part ll HP 15C Programming ...
Page 118: ...118 ...
