The Museum of HP Calculators


Eigenvalues/Vectors of 3rd-Order for the HP-41C/CV/CX

This program is Copyright © HP and is used here by permission. It was originally printed in the High-Level Math 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 A
 02 1.009
 03 STO 25
 04 LBL 01
 05 RCL IND 25
 06 STOP
 07 ISG 25
 08 GTO 01
 09 STOP
 10 LBL "EVV"
 11 CF 00
 12 LBL 03
 13 RCL 01
 14 RCL 04
 15 XEQ 08
 16 RCL 07
 17 RCL 22
 18 *
 19 +
 20 STO 23
 21 RCL 02
 22 RCL 05
 23 XEQ 08
 24 RCL 08
 25 RCL 22
 26 *
 27 +
 28 STO 24
 29 RCL 03
 30 RCL 06
 31 XEQ 08
 32 RCL 09
 33 RCL 22
 34 *
 35 +
 36 STO 25
 37 RCL 23
 38 RCL 20
 39 /
 40 RCL 00
 41 X=Y?
 42 GTO 00
 43 X<>Y
 44 STO 00
 45 RCL 23
 46 STO 20
 47 RCL 24
 48 STO 21
 49 RCL 25
 50 STO 22
 51 GTO 03
 52 LBL 00
 53 STOP
 54 1
 55 STO 20
 56 STOP
 57 RCL 24
 58 RCL 23
 59 /
 60 STO 21
 61 STOP
 62 RCL 25
 63 RCL 23
 64 /
 65 STO 22
 66 STOP
 67 RCL 05
 68 RCL 21
 69 RCL 04
 70 *
 71 -
 72 STO 16
 73 RCL 06
 74 RCL 22
 75 RCL 04
 76 *
 77 -
 78 STO 17
 79 RCL 08
 80 RCL 21
 81 RCL 07
 82 *
 83 -
 84 STO 18
 85 RCL 09
 86 RCL 22
 87 RCL 07
 88 *
 89 -
 90 STO 19
 91 RCL 16
 92 +
 93 STO 25
 94 X^2
 95 RCL 16
 96 RCL 19
 97 *
 98 RCL 18
 99 RCL 17
100 *
101 -
102 4
103 *
104 -
105 SQRT
106 2
107 /
108 STO 23
109 RCL 25
110 2
111 /
112 STO 24
113 RCL 23
114 -
115 STO 10
116 RCL 24
117 RCL 23
118 +
119 STO 13
120 LBL 02
121 RCL 10
122 STOP
123 RCL 16
124 -
125 STO 12
126 RDN
127 RCL 18
128 STO 11
129 RCL 04
130 R^
131 RCL 07
132 XEQ 09
133 RCL 10
134 RCL 00
135 -
136 /
137 ST/ 11
138 ST/ 12
139 RCL 21
140 ST+ 11
141 RCL 22
142 ST+ 12
143 RCL 20
144 STOP
145 RCL 11
146 STOP
147 RCL 12
148 STOP
149 FS? 00
150 RTN
151 SF 00
152 RCL 10
153 RCL 13
154 STO 10
155 X<>Y
156 STO 13
157 RCL 11
158 RCL 12
159 RCL 14
160 RCL 15
161 STO 12
162 RDN
163 STO 11
164 RDN
165 STO 15
166 RDN
167 STO 14
168 GTO 02
169 LBL 08
170 RCL 20
171 X<>Y
172 RCL 21
173 LBL 09
174 *
175 RDN
176 *
177 R^
178 +
179 RTN
180 END

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