The Museum of HP Calculators

Needed Magnification, Add, & Working Dist for the HP-41C/CV/CX

This program is Copyright © HP and is used here by permission. It was originally printed in the Optometry 1 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 "NMAG"
 02 FIX 02
 03 LBL 01
 04 "BEST V. ACTY.?"
 05 PROMPT
 06 STO 00
 07 CLX
 08 "DESIRED V.A. ?"
 09 PROMPT
 10 STO 01
 11 CLX
 12 "REF. DIST. ?"
 13 PROMPT
 14 STO 02
 15 RCL 00
 16 RCL 01
 17 /
 18 "MAG="
 19 ARCL X
 20 AVIEW
 21 STOP
 22 STO 03
 23 RCL 02
 24 RCL 03
 25 /
 26 "WD="
 27 ARCL X
 28 AVIEW
 29 STOP
 30 STO 04
 31 1/X
 32 "PWR="
 33 ARCL X
 34 AVIEW
 35 STOP
 36 "TEL. MAG. ?"
 37 PROMPT
 38 RCL 04
 39 *
 40 "WD="
 41 ARCL X
 42 AVIEW
 43 STOP
 44 1/X
 45 "PWR="
 46 ARCL X
 47 AVIEW
 48 STOP
 49 GTO 01
 50 END

Go back to the HP-41 software library
Go back to the general software library
Go back to the main exhibit hall