The Museum of HP Calculators


First Order Regulator for the HP-41C/CV/CX

This program is Copyright © HP and is used here by permission. It was originally printed in the Control Solutions 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 "REG 1"
 02 "a?"
 03 PROMPT
 04 STO 01
 05 "b?"
 06 PROMPT
 07 STO 02
 08 LBL A
 09 "Q?"
 10 PROMPT
 11 STO 03
 12 "R?"
 13 PROMPT
 14 STO 04
 15 RCL 01
 16 RCL 02
 17 /
 18 X^2
 19 RCL 03
 20 RCL 04
 21 /
 22 +
 23 SQRT
 24 RCL 01
 25 RCL 02
 26 /
 27 +
 28 "C="
 29 XEQ d
 30 RCL 04
 31 *
 32 RCL 02
 33 /
 34 "S="
 35 XEQ d
 36 RCL 01
 37 X^2
 38 RCL 02
 39 X^2
 40 RCL 03
 41 *
 42 RCL 04
 43 /
 44 +
 45 SQRT
 46 CHS
 47 "a="
 48 XEQ d
 49 1/X
 50 CHS
 51 "T="
 52 XEQ d
 53 GTO A
 54 LBL d
 55 ARCL X
 56 AVIEW
 57 STOP
 58 RTN
 59 END

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