The Museum of HP Calculators


Astro 3 - Local Siderial Time, Geocent Lat 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 Astrology 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 "ASTRO3"
 02 LBL 01
 03 RCL 22
 04 STO 08
 05 RCL 23
 06 STO 09
 07 PI
 08 STO 00
 09 R^
 10 RTN
 11 LBL 03
 12 0
 13 X<=Y?
 14 GTO 04
 15 360
 16 +
 17 LBL 04
 18 +
 19 RTN
 20 LBL 10
 21 LBL A
 22 FS?C 02
 23 XEQ 01
 24 HR
 25 RCL 09
 26 +
 27 XEQ 03
 28 STO 23
 29 15
 30 /
 31 HMS
 32 STOP
 33 GTO 00
 34 LBL 11
 35 LBL B
 36 FS?C 02
 37 XEQ 01
 38 HR
 39 STO 22
 40 LASTX
 41 STOP
 42 RCL 22
 43 TAN
 44 .993305
 45 *
 46 ATAN
 47 STO 22
 48 HMS
 49 STOP
 50 GTO 00
 51 LBL 12
 52 LBL C
 53 RCL 23
 54 1
 55 P-R
 56 RCL 21
 57 COS
 58 *
 59 GTO 05
 60 LBL 13
 61 LBL D
 62 RCL 23
 63 1
 64 P-R
 65 RCL 21
 66 1
 67 P-R
 68 R^
 69 *
 70 X<>Y
 71 RCL 22
 72 TAN
 73 *
 74 +
 75 CHS
 76 LBL 05
 77 R-P
 78 X<>Y
 79 RCL 24
 80 FS? 00
 81 CLX
 82 +
 83 XEQ 03
 84 HMS
 85 STOP
 86 ENTER
 87 ENTER
 88 30
 89 /
 90 INT
 91 1
 92 +
 93 STOP
 94 1
 95 -
 96 30
 97 *
 98 -
 99 STOP
100 GTO 00
101 LBL 15
102 LBL a
103 SF 00
104 STOP
105 GTO 00
106 LBL 19
107 LBL e
108 CF 00
109 STOP
110 END

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