The Museum of HP Calculators


Determinant and Inverse of 5*5 Matrix for the HP-41C/CV/CX

This program is Copyright © HP and is used here by permission. It was originally printed in the HP-67 High Level Math Solution Book. This program was ported to the HP-41C by reading with the HP-41C card reader and the card reader may be required for operation of this program. 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 "DET55"
 02 LBL 10
 03 LBL A
 04 0
 05 STO 25
 06 X<>Y
 07 LBL 15
 08 LBL a
 09 STO IND 25
 10 7ISZ
 11 RCL 25
 12 STOP
 13 GTO 15
 14 RTN
 15 LBL 11
 16 LBL B
 17 0
 18 STO 25
 19 XEQ 00
 20 XEQ 05
 21 XEQ 00
 22 XEQ 05
 23 XEQ 00
 24 XEQ 05
 25 XEQ 00
 26 XEQ 05
 27 XEQ 00
 28 XEQ 05
 29 CHS
 30 7PRTX
 31 ADV
 32 RTN
 33 RTN
 34 LBL 00
 35 0
 36 XEQ 01
 37 XEQ 01
 38 XEQ 01
 39 XEQ 01
 40 RCL 25
 41 24
 42 STO 25
 43 ENTER
 44 LBL 04
 45 RDN
 46 RDN
 47 RCL IND 25
 48 XEQ 03
 49 XEQ 03
 50 XEQ 03
 51 XEQ 03
 52 X<> 25
 53 20
 54 +
 55 X<> 25
 56 STO IND 25
 57 RDN
 58 7DSZ
 59 RCL 25
 60 19
 61 X#Y?
 62 GTO 04
 63 RDN
 64 RDN
 65 STO 25
 66 RTN
 67 LBL 01
 68 7P<>S
 69 RCL 02
 70 RCL 08
 71 *
 72 RCL 24
 73 *
 74 RCL 07
 75 RCL 23
 76 *
 77 RCL 04
 78 *
 79 +
 80 RCL 22
 81 RCL 03
 82 *
 83 RCL 09
 84 *
 85 +
 86 RCL 22
 87 RCL 08
 88 *
 89 RCL 04
 90 *
 91 -
 92 RCL 07
 93 RCL 03
 94 *
 95 RCL 24
 96 *
 97 -
 98 RCL 02
 99 RCL 23
100 *
101 RCL 09
102 *
103 -
104 7P<>S
105 RCL 06
106 *
107 X<>Y
108 -
109 RCL 25
110 24
111 STO 25
112 ENTER
113 LBL 02
114 RDN
115 RDN
116 RCL IND 25
117 XEQ 03
118 XEQ 03
119 XEQ 03
120 X<> 25
121 15
122 +
123 X<> 25
124 STO IND 25
125 7DSZ
126 RDN
127 RCL 25
128 20
129 X#Y?
130 GTO 02
131 RDN
132 RDN
133 STO 25
134 RDN
135 RTN
136 LBL 03
137 X<> 25
138 5
139 -
140 X<> 25
141 RCL IND 25
142 X<>Y
143 STO IND 25
144 RDN
145 RTN
146 LBL 13
147 LBL D
148 RCL 25
149 24
150 STO 25
151 ENTER
152 LBL 06
153 RDN
154 RDN
155 RCL IND 25
156 XEQ 07
157 XEQ 07
158 XEQ 07
159 XEQ 07
160 X<> 25
161 4
162 +
163 X<> 25
164 STO IND 25
165 RDN
166 RCL 25
167 5
168 -
169 STO 25
170 1-
171 X#Y?
172 GTO 06
173 RDN
174 RDN
175 STO 25
176 RTN
177 LBL 07
178 X<> 25
179 1
180 -
181 X<> 25
182 RCL IND 25
183 X<>Y
184 STO IND 25
185 RDN
186 RTN
187 LBL 12
188 LBL C
189 XEQ 00
190 /
191 7PRTX
192 XEQ 00
193 /
194 7PRTX
195 XEQ 00
196 /
197 7PRTX
198 XEQ 00
199 /
200 7PRTX
201 XEQ 00
202 /
203 7PRTX
204 XEQ 13
205 ADV
206 RTN
207 LBL 05
208 X<>Y
209 RCL 20
210 *
211 +
212 STO 25
213 RTN
214 STOP
215 END

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