The Museum of HP Calculators

Insulation Break Even Analysis for the HP-41C/CV/CX

This program is Copyright © HP and is used here by permission. It was originally printed in the HVAC 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 "INSUL"
 02 ADV
 03 0
 04 STO 00
 05 "U"
 06 XEQ "IN"
 07 "$/BTU"
 08 XEQ "IN"
 09 "%INT"
 10 XEQ "IN"
 11 "%INF"
 12 XEQ "IN"
 13 "DEGDY"
 14 XEQ "IN"
 15 LBL 01
 16 5
 17 STO 00
 18 "R"
 19 XEQ "IN"
 20 "$/FT2"
 21 XEQ "IN"
 22 RCL 01
 23 RCL 01
 24 1/X
 25 RCL 06
 26 +
 27 1/X
 28 -
 29 RCL 05
 30 *
 31 RCL 02
 32 *
 33 24
 34 *
 35 RCL 03
 36 RCL 04
 37 -
 38 X=0?
 39 GTO 00
 40 100
 41 /
 42 STO 08
 43 /
 44 RCL 07
 45 X<>Y
 46 /
 47 CHS
 48 LN1+X
 49 CHS
 50 RCL 08
 51 RCL 04
 52 100
 53 /
 54 1
 55 +
 56 /
 57 LN1+X
 58 /
 59 LBL 03
 60 ADV
 61 "YEARS"
 62 XEQ "O"
 63 ADV
 64 GTO 01
 65 LBL 00
 66 RDN
 67 RCL 07
 68 RCL 04
 69 %
 70 +
 71 X<>Y
 72 /
 73 GTO 03
 74 LBL "IN"
 75 CF 22
 76 1
 77 ST+ 00
 78 RCL IND 00
 79 "="
 80 ASTO Y
 81 "?"
 82 CF 21
 83 AVIEW
 84 SF 21
 85 CLA
 86 ARCL Y
 87 STOP
 88 STO IND 00
 89 FS? 22
 90 FC? 55
 91 RTN
 92 ARCL X
 93 XROM 29,08
 94 RTN
 95 LBL "O"
 96 "="
 97 ARCL X
 98 AVIEW
 99 END

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