The Museum of HP Calculators

Y-Delta Transform for L, R, C 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 Filters 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 "YDFLT"
 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 STO 22
 13 RTN
 14 LBL 15
 15 LBL a
 16 CF 00
 17 RTN
 18 LBL 16
 19 LBL b
 20 SF 00
 21 RTN
 22 LBL 19
 23 LBL e
 24 ADV
 25 RCL 20
 26 7PRTX
 27 RCL 21
 28 7PRTX
 29 +
 30 RCL 22
 31 7PRTX
 32 +
 33 7PRTX
 34 ADV
 35 RTN
 36 LBL 13
 37 LBL D
 38 XEQ 19
 39 FS? 00
 40 GTO 00
 41 LBL 01
 42 RCL 20
 43 RCL 21
 44 +
 45 RCL 22
 46 +
 47 STO 23
 48 RCL 20
 49 RCL 21
 50 *
 51 RCL 23
 52 /
 53 STO 24
 54 RCL 20
 55 RCL 22
 56 *
 57 RCL 23
 58 /
 59 RCL 24
 60 STO 20
 61 RDN
 62 STO 24
 63 RCL 21
 64 RCL 22
 65 *
 66 RCL 23
 67 /
 68 STO 22
 69 RCL 24
 70 STO 21
 71 GTO 19
 72 LBL 14
 73 LBL E
 74 XEQ 19
 75 FS? 00
 76 GTO 01
 77 LBL 00
 78 RCL 20
 79 RCL 21
 80 *
 81 RCL 21
 82 RCL 22
 83 *
 84 +
 85 RCL 20
 86 RCL 22
 87 *
 88 +
 89 STO 23
 90 RCL 22
 91 /
 92 STO 24
 93 RCL 23
 94 RCL 21
 95 /
 96 STO 21
 97 RCL 23
 98 RCL 20
 99 /
100 STO 22
101 RCL 24
102 STO 20
103 GTO 19
104 STOP
105 END

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