The Museum of HP Calculators

Resistive Attenuator Design 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 E.E. 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 "RATN67"
 02 LBL 10
 03 LBL A
 04 STO 01
 05 RTN
 06 LBL 11
 07 LBL B
 08 STO 02
 09 RTN
 10 LBL 12
 11 LBL C
 12 RCL 01
 13 RCL 02
 14 /
 15 ENTER
 16 ENTER
 17 1
 18 -
 19 SQRT
 20 X<>Y
 21 SQRT
 22 +
 23 X^2
 24 LOG
 25 10
 26 *
 27 XEQ 05
 28 STO 03
 29 RTN
 30 LBL 13
 31 LBL D
 32 RCL 03
 33 X>Y?
 34 GTO 09
 35 X<>Y
 36 10
 37 /
 38 10^X
 39 STO 04
 40 RCL 01
 41 *
 42 RCL 02
 43 *
 44 SQRT
 45 2
 46 *
 47 RCL 04
 48 1
 49 -
 50 /
 51 STO 07
 52 1
 53 RCL 04
 54 +
 55 LASTX
 56 1
 57 -
 58 /
 59 RCL 01
 60 *
 61 -
 62 CHS
 63 STO 05
 64 1
 65 RCL 04
 66 +
 67 LASTX
 68 1
 69 -
 70 /
 71 RCL 02
 72 *
 73 RCL 07
 74 -
 75 STO 06
 76 GTO 01
 77 LBL 14
 78 LBL E
 79 RCL 03
 80 X>Y?
 81 GTO 09
 82 X<>Y
 83 10
 84 /
 85 10^X
 86 STO 04
 87 1/X
 88 RCL 01
 89 *
 90 RCL 02
 91 *
 92 SQRT
 93 RCL 04
 94 1
 95 -
 96 *
 97 2
 98 /
 99 STO 07
100 1
101 RCL 04
102 +
103 LASTX
104 1
105 -
106 /
107 RCL 01
108 /
109 RCL 07
110 1/X
111 -
112 1/X
113 STO 05
114 1
115 RCL 04
116 +
117 LASTX
118 1
119 -
120 /
121 RCL 02
122 /
123 RCL 07
124 1/X
125 -
126 1/X
127 STO 06
128 LBL 01
129 RCL 04
130 LOG
131 10
132 *
133 XEQ 05
134 RCL 05
135 XEQ 05
136 RCL 06
137 XEQ 05
138 RCL 07
139 XEQ 05
140 RTN
141 LBL 05
142 FS? 00
143 7PRTX
144 FS? 00
145 RTN
146 STOP
147 RTN
148 STOP
149 END

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