The Museum of HP Calculators


Aid to Root Locus Plots 1 - Real Poles for the HP-41C/CV/CX

This program is Copyright © HP and is used here by permission. It was originally printed in the Control Solution Book. This program was entered and uploaded by Tony Duell.

This program is supplied without representation or warranty of any kind. Tony Duell, Hewlett Packard and The Museum of HP Calculators therefore assume no responsibility and shall have no liability, consequential or otherwise, of any kind arising from the use of this program material or any part thereof.

Documentation Information (CD or source code)
How to get this Program to your Calculator (via HP-IL, disk, wand, and fingers)
Download Binary (.raw) program for disk or PC HP-IL Card download
Download Hexadecimal (.dat) program for Serial Port download

Program Listing

LINE  KEYS
 01 LBL "ROOTS 1"
 02 "Z1?"
 03 PROMPT
 04 STO 01
 05 "Z2?"
 06 PROMPT
 07 STO 02
 08 "P1?"
 09 PROMPT
 10 STO 03
 11 "P2?"
 12 PROMPT
 13 STO 04
 14 "P3?"
 15 PROMPT
 16 STO 05
 17 "P4?"
 18 PROMPT
 19 STO 06
 20 LBL A
 21 "a?"
 22 PROMPT
 23 "W?"
 24 PROMPT
 25 LBL B
 26 STO 08
 27 X<>Y
 28 STO 07
 29 R-P
 30 RCL 06
 31 XEQ E
 32 RCL 05
 33 XEQ E
 34 RCL 04
 35 XEQ E
 36 RCL 03
 37 XEQ E
 38 RCL 02
 39 XEQ D
 40 RCL 01
 41 XEQ D
 42 X<>Y
 43 STO 00
 44 180
 45 -
 46 ABS
 47 .01
 48 X>Y?
 49 GTO C
 50 RCL 00
 51 60
 52 /
 53 4
 54 -
 55 CHS
 56 RCL 08
 57 *
 58 STO 08
 59 RCL 07
 60 RCL 08
 61 GTO B
 62 LBL C
 63 RCL Z
 64 "K="
 65 XEQ d
 66 RCL 08
 67 "W="
 68 XEQ d
 69 GTO A
 70 LBL d
 71 FIX 03
 72 ARCL X
 73 AVIEW
 74 STOP
 75 RTN
 76 STOP
 77 LBL E
 78 RCL 07
 79 +
 80 RCL 08
 81 X<>Y
 82 R-P
 83 X<>Y
 84 RDN
 85 *
 86 RDN
 87 +
 88 R^
 89 RTN
 90 LBL D
 91 RCL 07
 92 +
 93 RCL 08
 94 X<>Y
 95 R-P
 96 X<>Y
 97 RDN
 98 /
 99 RDN
100 -
101 CHS
102 R^
103 RTN
104 RCL 08
105 STOP
106 END

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