The Museum of HP Calculators


Subtractive CP Filters Density 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 Photo Dark Room Solution Book. 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 "SUBFLT"
 02 LBL 10
 03 LBL A
 04 0
 05 X>Y?
 06 SF 02
 07 RDN
 08 ABS
 09 10
 10 X>Y?
 11 GTO 00
 12 RDN
 13 41
 14 X>Y?
 15 GTO 01
 16 RDN
 17 51
 18 X>Y?
 19 GTO 02
 20 0
 21 /
 22 LBL 11
 23 LBL B
 24 0
 25 X>Y?
 26 SF 02
 27 RDN
 28 ABS
 29 5
 30 X>Y?
 31 GTO 00
 32 RDN
 33 21
 34 X>Y?
 35 GTO 01
 36 RDN
 37 51
 38 X>Y?
 39 GTO 02
 40 0
 41 /
 42 LBL 12
 43 LBL C
 44 0
 45 X>Y?
 46 SF 02
 47 RDN
 48 ABS
 49 21
 50 X>Y?
 51 GTO 01
 52 RDN
 53 41
 54 X>Y?
 55 GTO 02
 56 RDN
 57 51
 58 X>Y?
 59 GTO 03
 60 0
 61 /
 62 LBL 00
 63 RCL 07
 64 RTN
 65 LBL 14
 66 LBL E
 67 7CLREG
 68 RTN
 69 LBL 01
 70 1
 71 GTO 13
 72 LBL 02
 73 2
 74 GTO 13
 75 LBL 03
 76 3
 77 LBL 13
 78 LBL D
 79 ENTER
 80 3
 81 /
 82 FS?C 02
 83 CHS
 84 CF 02
 85 ST- 07
 86 RCL 07
 87 STOP
 88 END

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