The Museum of HP Calculators

Interpolations 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 Math 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 "INTP67"
 02 LBL 10
 03 LBL A
 04 SF 01
 05 STO 07
 06 X<>Y
 07 STO 20
 08 RTN
 09 LBL 11
 10 LBL B
 11 STO 08
 12 X<>Y
 13 STO 21
 14 RTN
 15 LBL 12
 16 LBL C
 17 STO 09
 18 X<>Y
 19 STO 22
 20 CF 00
 21 CF 01
 22 RTN
 23 LBL 13
 24 LBL D
 25 STO 06
 26 FS? 01
 27 GTO 01
 28 FS? 00
 29 GTO 00
 30 RCL 20
 31 RCL 21
 32 -
 33 RCL 20
 34 RCL 22
 35 -
 36 *
 37 ST/ 07
 38 RCL 21
 39 RCL 20
 40 -
 41 RCL 21
 42 RCL 22
 43 -
 44 *
 45 ST/ 08
 46 RCL 22
 47 RCL 20
 48 -
 49 RCL 22
 50 RCL 21
 51 -
 52 *
 53 ST/ 09
 54 SF 00
 55 LBL 00
 56 RCL 06
 57 RCL 21
 58 -
 59 STO 24
 60 RCL 06
 61 RCL 22
 62 -
 63 STO 25
 64 *
 65 RCL 07
 66 *
 67 RCL 06
 68 RCL 20
 69 -
 70 STO 23
 71 RCL 25
 72 *
 73 RCL 08
 74 *
 75 +
 76 RCL 23
 77 RCL 24
 78 *
 79 RCL 09
 80 *
 81 +
 82 7PRTX
 83 RTN
 84 LBL 01
 85 RCL 21
 86 RCL 06
 87 -
 88 RCL 07
 89 *
 90 RCL 06
 91 RCL 20
 92 -
 93 RCL 08
 94 *
 95 +
 96 RCL 21
 97 RCL 20
 98 -
 99 /
100 7PRTX
101 RTN
102 LBL 15
103 LBL a
104 STO 20
105 RTN
106 LBL 16
107 LBL b
108 STO 21
109 RTN
110 LBL 17
111 LBL c
112 STO 25
113 RDN
114 STO 24
115 RDN
116 STO 23
117 R^
118 -
119 3
120 *
121 X<>Y
122 -
123 R^
124 +
125 STO 09
126 RCL 24
127 RCL 23
128 -
129 STO 07
130 RCL 25
131 RCL 23
132 +
133 RCL 24
134 2
135 *
136 -
137 STO 08
138 RTN
139 LBL 18
140 LBL d
141 RCL 20
142 -
143 RCL 21
144 /
145 STO 22
146 RCL 07
147 *
148 RCL 24
149 +
150 RCL 22
151 RCL 22
152 1
153 +
154 *
155 STO 23
156 2
157 /
158 RCL 08
159 *
160 +
161 RCL 23
162 RCL 22
163 1
164 -
165 *
166 6
167 /
168 RCL 09
169 *
170 +
171 7PRTX
172 RTN
173 STOP
174 END

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