The Museum of HP Calculators

Vis Viva and Path Angle Relations for the HP-41C/CV/CX

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
Download Data Set (.d41) See Note under Data Sets (below.)

Data Set

Currently, we know how to transfer the .d41 files to an HP-4C1 with Tony Duell's LIF Utilities for linux. Other users can enter the register listings below by hand. If you determine how DOS users can transfer these files, please let me know. The data should be saved to a magnetic card.

RR000 = +0.000000000E+0
RR001 = +0.000000000E+0
RR002 = +0.000000000E+0
RR003 = +0.000000000E+0
RR004 = +0.000000000E+0
RR005 = +0.000000000E+0
RR006 = +0.000000000E+0
RR007 = +0.000000000E+0
RR008 = +0.000000000E+0
RR009 = +0.000000000E+0
RR010 = +4.900980000E+3
RR011 = +2.152150000E+4
RR012 = +3.248150000E+5
RR013 = +3.986012000E+5
RR014 = +4.304300000E+4
RR015 = +1.266580000E+8
RR016 = +3.794160000E+7
RR017 = +5.778920000E+6
RR018 = +6.855000000E+6
RR019 = +1.324948000E+11
RR020 = +0.000000000E+0
RR021 = +0.000000000E+0
RR022 = +0.000000000E+0
RR023 = +0.000000000E+0
RR024 = +0.000000000E+0
RR025 = +0.000000000E+0

Program Listing

LINE  KEYS
 01 LBL "SPSCI2"
 02 LBL 10
 03 LBL A
 04 2
 05 RCL 01
 06 /
 07 RCL 02
 08 1/X
 09 -
 10 RCL 00
 11 *
 12 SQRT
 13 STO 07
 14 RTN
 15 LBL 11
 16 LBL B
 17 RCL 00
 18 RCL 01
 19 /
 20 SQRT
 21 RTN
 22 LBL 12
 23 LBL C
 24 2
 25 SQRT
 26 *
 27 RTN
 28 LBL 13
 29 LBL D
 30 RCL 02
 31 3
 32 Y^X
 33 PI
 34 X^2
 35 4
 36 *
 37 *
 38 RCL 00
 39 /
 40 SQRT
 41 RTN
 42 LBL 14
 43 LBL E
 44 RCL 00
 45 RCL 03
 46 X^2
 47 *
 48 PI
 49 X^2
 50 4
 51 *
 52 /
 53 3
 54 1/X
 55 Y^X
 56 RTN
 57 LBL 15
 58 LBL a
 59 RCL 02
 60 ENTER
 61 ENTER
 62 RCL 04
 63 -
 64 X<>Y
 65 /
 66 X^2
 67 STO 05
 68 1
 69 X<>Y
 70 -
 71 RCL 02
 72 RCL 00
 73 *
 74 *
 75 SQRT
 76 RCL 01
 77 RCL 07
 78 *
 79 /
 80 ASIN
 81 RTN
 82 LBL 16
 83 LBL b
 84 RCL 06
 85 SIN
 86 ENTER
 87 ENTER
 88 *
 89 X<>Y
 90 RCL 02
 91 X<>Y
 92 /
 93 X<>Y
 94 1
 95 -
 96 RCL 05
 97 +
 98 SQRT
 99 *
100 ENTER
101 RCL 02
102 +
103 STOP
104 X<>Y
105 RCL 02
106 X<>Y
107 -
108 RTN
109 STOP
110 END

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