The Museum of HP Calculators


Earthquake Magnitude-Energy Conversion 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 Earth Sciences 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 "EQUAKE"
 02 LBL 13
 03 LBL D
 04 7SCI
 05 7DSP9
 06 STO 02
 07 RTN
 08 LBL 10
 09 LBL A
 10 11.3
 11 STO 01
 12 1.8
 13 STO 04
 14 GTO 09
 15 LBL 11
 16 LBL B
 17 11.4
 18 STO 01
 19 1.5
 20 STO 04
 21 GTO 09
 22 LBL 12
 23 LBL C
 24 12.2
 25 STO 01
 26 1.44
 27 STO 04
 28 LBL 09
 29 ENTER
 30 RCL 02
 31 *
 32 RCL 01
 33 +
 34 10^X
 35 ENTER
 36 STO 03
 37 7PRTX
 38 RTN
 39 LBL 14
 40 LBL E
 41 STO 03
 42 9.4805 E11-
 43 *
 44 STO 05
 45 7PRTX
 46 STOP
 47 RCL 03
 48 ENTER
 49 7.3756 E8-
 50 *
 51 STO 06
 52 7PRTX
 53 STOP
 54 RCL 03
 55 ENTER
 56 1 E7-
 57 *
 58 STO 07
 59 7PRTX
 60 STOP
 61 RTN
 62 STOP
 63 END

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