The Museum of HP Calculators

Velocity Triangle and Course to Steer 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 Navigation Pac 1. 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 "VLTR67"
 02 LBL 15
 03 LBL a
 04 STO 00
 05 RDN
 06 STO 01
 07 CLX
 08 RTN
 09 LBL 10
 10 LBL A
 11 FS?C 22
 12 GTO 01
 13 RCL 22
 14 RCL 21
 15 RCL 04
 16 RCL 25
 17 CHS
 18 XEQ 08
 19 STO 08
 20 X<>Y
 21 XEQ 09
 22 STO 20
 23 RCL 00
 24 -
 25 RCL 01
 26 -
 27 XEQ 09
 28 STO 02
 29 GTO 04
 30 LBL 01
 31 STO 08
 32 X<>Y
 33 STO 02
 34 RCL 00
 35 +
 36 RCL 01
 37 +
 38 XEQ 09
 39 STO 20
 40 RTN
 41 LBL 11
 42 LBL B
 43 FS?C 22
 44 GTO 02
 45 RCL 22
 46 RCL 21
 47 RCL 20
 48 RCL 08
 49 CHS
 50 XEQ 08
 51 STO 25
 52 X<>Y
 53 XEQ 09
 54 STO 04
 55 GTO 04
 56 LBL 02
 57 STO 25
 58 X<>Y
 59 STO 04
 60 RTN
 61 LBL 12
 62 LBL C
 63 FS?C 22
 64 GTO 03
 65 RCL 20
 66 RCL 08
 67 RCL 04
 68 RCL 25
 69 XEQ 08
 70 STO 21
 71 X<>Y
 72 XEQ 09
 73 STO 22
 74 LBL 04
 75 FS?C 02
 76 RTN
 77 X<>Y
 78 STOP
 79 GTO 04
 80 LBL 03
 81 STO 21
 82 X<>Y
 83 STO 22
 84 RTN
 85 LBL 08
 86 P-R
 87 RDN
 88 RDN
 89 P-R
 90 X<>Y
 91 RDN
 92 +
 93 RDN
 94 +
 95 R^
 96 R-P
 97 RTN
 98 LBL 09
 99 360
100 P-R
101 R-P
102 X<>Y
103 X<0?
104 GTO 00
105 X<>Y
106 RDN
107 RTN
108 LBL 00
109 +
110 RTN
111 LBL 18
112 LBL d
113 HR
114 STO 05
115 X<>Y
116 HR
117 STO 03
118 RTN
119 LBL 13
120 LBL D
121 HR
122 STO 07
123 X<>Y
124 HR
125 STO 06
126 RTN
127 LBL 19
128 LBL e
129 RCL 03
130 RCL 06
131 +
132 2
133 /
134 COS
135 RCL 05
136 RCL 07
137 -
138 *
139 RCL 06
140 RCL 03
141 -
142 R-P
143 60
144 *
145 STO 23
146 X<>Y
147 XEQ 09
148 STO 22
149 GTO 04
150 LBL 14
151 LBL E
152 STO 08
153 RCL 22
154 RCL 04
155 RCL 22
156 -
157 SIN
158 RCL 25
159 *
160 RCL 08
161 /
162 ASIN
163 -
164 XEQ 09
165 STO 20
166 CF 22
167 SF 02
168 XEQ 12
169 CF 22
170 SF 02
171 XEQ 10
172 STOP
173 RCL 23
174 RCL 21
175 /
176 HMS
177 STOP
178 RCL 21
179 RTN
180 STOP
181 END

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