The Museum of HP Calculators


L-Attenuator 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 EE(lab) 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 "LATTEN"
 02 LBL 10
 03 LBL A
 04 STO 20
 05 RTN
 06 LBL 11
 07 LBL B
 08 STO 21
 09 RTN
 10 LBL 12
 11 LBL C
 12 7DSP4
 13 20
 14 /
 15 10^X
 16 STO 22
 17 RCL 20
 18 RCL 21
 19 /
 20 SQRT
 21 STO 03
 22 ENTER
 23 X^2
 24 1
 25 -
 26 SQRT
 27 +
 28 X^2
 29 LOG
 30 10
 31 *
 32 RTN
 33 LBL 17
 34 LBL c
 35 XEQ 12
 36 GTO 12
 37 LBL 13
 38 LBL D
 39 RCL 20
 40 RCL 03
 41 /
 42 RCL 22
 43 RCL 03
 44 *
 45 1
 46 -
 47 RCL 22
 48 /
 49 *
 50 STO 23
 51 RTN
 52 LBL 14
 53 LBL E
 54 RCL 20
 55 RCL 03
 56 /
 57 RCL 22
 58 RCL 03
 59 -
 60 1/X
 61 *
 62 STO 24
 63 RTN
 64 LBL 15
 65 LBL a
 66 RCL 20
 67 RCL 23
 68 +
 69 1/X
 70 RCL 24
 71 1/X
 72 +
 73 1/X
 74 RTN
 75 LBL 16
 76 LBL b
 77 RCL 23
 78 RCL 24
 79 *
 80 RCL 23
 81 RCL 24
 82 +
 83 /
 84 RTN
 85 STOP
 86 END

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