WP WP-34S User Manual


Edition 2.2
Page 17 of 103
COMPLEX OPERATIONS
Mathematicians know more complicated items than real numbers. The next step are
complex numbers. If you do not know them, leave them aside  you can use your
WP 34S perfectly without them.
Else please note your WP 34S supports many operations in complex domain as well.
The key  is employed as a prefix for calling complex functions. E.g.
 calls the complex cosine, and it is displayed and listed as
C
COS (the
elevated C is the signature for complex functions on your WP 34S). All such functions
operating on complex numbers do so in Cartesian coordinates exclusively. Each
complex number occupies two adjacent registers: the lower one for its real part and
the higher one for its imaginary part.
Generally, if an arbitrary real function f 
     x only, then its complex sibling
C
f will operate on the
complex number x
c
= x + i y .
 one register, e.g. R12, then
C
f will operate on R12 and R13.
 x and y, then
C
f will operate on x, y, z and t .
Where one-number real functions replace x by the result f(x) , one-argument com-
plex functions replace x by the real part and y by the imaginary part of the complex
result
C
f(x
c
) . Higher stack levels remain unchanged. Such functions are
C
1/x,
C
ABS,
C
ANGLE,
C
CUBE,
C
CUBERT,
C
FIB,
C
FP,
C
IP,
C
RND,
C
SIGN,
C
W,
C
W
-1
,
C
x!,
C
x
2
,
C
√‾,
C
+/–,
C
the logarithmic and exponential functions with bases 10, 2 and e, as well
as hyperbolic, trigonometric, and their inverses.
Two-number real functions replace x by the result f(x, y) . Analogously, two-
argument complex functions replace x by the real part and y by the imaginary part of
the complex result
C
f(x
c
, y
c
) . The next stack levels are filled with the complex con-
tents of higher levels, and the complex number contained in the top two stack levels
is repeated as shown below. Such complex functions are
C
LOG
X
,
C
y
x
,
C

C
// ,
and the basic arithmetic operations in complex domain.
Where complex operations (like
C
RCL) do not consume any stack input at all but just
return a complex number, this will be pushed on the stack taking two levels.

WP WP-34S Specifications

General

Type	Scientific
Display	LCD
Display Lines	2
Display Type	Dot matrix
Memory RAM	8 KB
Memory Flash	128 KB
Programming	Yes
Dimensions	148 x 80 x 15 mm
Power Source	Battery

Summary

WELCOME

PRINT CONVENTIONS

GETTING STARTED

WHAT'S ON THE KEYBOARD AND HOW TO ACCESS IT?

REAL AND INTEGER OPERATIONS

STATISTICAL DISTRIBUTIONS, PROBABILITIES ETC.

MATRICES

COMPLEX OPERATIONS

MEMORY

STACK MECHANICS

COMPARING AND ADDRESSING REAL NUMBERS

COMPARING AND ADDRESSING COMPLEX NUMBERS

ADDRESSING LABELS

DISPLAY AND MODES

FONTS

INDEX OF OPERATIONS

A - C

Lists operations from A to C, with keys and remarks.

D - F

Lists operations from D to F, with keys and remarks.

G - I

Lists operations from G to I, with keys and remarks.

J - L

Lists operations from J to L, with keys and remarks.

M - O

Lists operations from M to O, with keys and remarks.

P - R

Lists operations from P to R, with keys and remarks.

S - U

Lists operations from S to U, with keys and remarks.

V - Z

Lists operations from V to Z, with keys and remarks.

α - π

Lists operations related to alpha and pi, with keys and remarks.

Σ - the End

Lists operations related to sigma and end of index.

Alphanumeric input

Details character input methods for alpha mode.

Non-programmable Control, Clearing and Information Commands

Lists essential control, clearing, and info commands.

INTERACTIVE PROGRAMMING

Interrupting a Program for Display of Information

Explains how to display information during program execution.

Temporary Displays

Describes displays that temporarily replace the normal X register view.

Data Input

Details methods for obtaining user input within programs.

Hotkeys

Explains using dedicated keys (A-D) for subroutines.

Keyboard Codes

Direct Keyboard Access

Explains accessing keyboard input directly within programs.

APPENDIX A: SUPPORT FOR FLASHING, SERIAL I/O ETC.

How to Flash Your HP 20b or 30b

Step-by-step guide to flashing HP calculators.

Data Transfer Between Your WP 34S and Your PC (SAM-BA)

Details transferring data using SAM-BA.

Data Transfer Between Your WP 34S and Your PC (Serial I/O)

Details transferring data via serial I/O.

More Keyboard Commands Employing ON

APPENDIX B: MORE ROUTINES AND COMMANDS

Library Routines

Explains how to install and use library routines.

Internal Commands (Use at Your Own Risk)

Lists internal commands not typically exposed to users.

APPENDIX C: RELEASE NOTES