WP 34S Owner‘s Manual
Edition 2.2
Page 21 of 103
Calculating with complex numbers uses two registers or stack levels for each such number as explained above and shown here:
Le
vel
Assumed
stack contents
at the begin-
ning:
Stack contents after
executing …
… complex functions of
… the complex stack register operations
… one
number
like
C
x
2
… two
numbers
like
C
/
C
ENTER
C
FILL
C
DROP
C
x
y
C
R
C
R
C
LASTx
With
4
stack
levels
T
Im(
y
c
) = Im(
t
c
)
Im(
x
c
)
y
c
= t
c
Im(
x
c
)
x
c
x
c
y
c
= t
c
y
c
= t
c
Z
Re(
y
c
) = Re(
t
c
)
Re(
x
c
)
Re(
x
c
)
Y
Im(
x
c
)
Im(
x
c
)
y
c
Im(
y
c
)
y
c
last x
c
Im( (
x
c
)
2
)
Im(
y
c
/
x
c
)
X
Re(
x
c
)
Re(
x
c
)
Re(
y
c
)
Re( (
x
c
)
2
)
Re(
y
c
/
x
c
)
With
8
stack
levels
D
Im(
t
c
)
z
c
x
c
t
c
t
c
x
c
z
c
z
c
t
c
t
c
C
Re(
t
c
)
B
Im(
z
c
)
y
c
x
c
t
c
z
c
t
c
y
c
y
c
z
c
t
c
A
Re(
z
c
)
T
Im(
y
c
)
x
c
x
c
z
c
x
c
z
c
x
c
x
c
y
c
z
c
Z
Re(
y
c
)
Y
Im(
x
c
)
x
c
x
c
y
c
y
c
y
c
t
c
last x
c
(
x
c
)
2
y
c
/
x
c
X
Re(
x
c
)
So, an 8-level stack gives you the same flexibility in complex domain you are used to with a 4-level stack in real domain.