HEWLETT-PACKARD
I am interested in collecting old calculators and computers, which you can read about here.
Other things I'm looking for are listed here.

Listing

Model Serial Number Notes
10B 3020A33071
3117A34617
3230S07745
3421S82326
3535S02556
ID81209660 		Financial
10C 2235A05379
2237A02912
2243A09692
2247A04969
2302A02409
2305A02463		 Scientific
11C 2208A04167
2217A03665
2416A73206
2431A39628
2450A13929
2501A14057
2507A04097
2514A24602
2529A03505
2532A29575
2607A07639
2638A53276
2709A74023
2712A52073
2752A07542
2712A02232
2803A08533
2803A63234
2805B05598
2812A57948 		Scientific
12C 2315A05056
2633A59940
2726A11139
2733A56567
2845A61999
2911B50434
3036B54985
3347S02205
3612M04452
MY93702099
Financial
14B 2830A13138 Financial
15C 2230A06276
2337A06476
2237A08254
2237A08377
2250A00390
2327A04906
2337A04762
2344A04784
2442A09521
2449A08950
2450A07054
2450A07284
2536A83404
2546A57384
2550A02528
2605A52186
2633A05976
2707A23947
2707A25958
2709A51457
2723A18426
2808A69230
2809A06639
2816A02013
2820A00842 		Scientific
16C 2228A10568
2228A10838
2228A10926
2232A08375
2322A00701
2322A00750
2322A01529
2322A01778
2338A01992
2343A04869
2417A85660
2437A33980
2437A36680
2447A14340
2509A19110
2522A40908
2522A41318
2522A41514
2522A43640
2538A11441
2538A12807
2706A13605
2706A13929
2706A62808
2840A88134
2840A88637
2840A89736
"Computer Scientist" model
(Yes, this is one of my favorites.)
17B 9990A00095 Financial LCD from 1987 with an unusual serial number.
17BII ID01501681 Financial LCD
18C 2651A01750
2705A09714
2724A09280 		Financial
19Bii 3407S00142
3650B00262 		Financial
21 1507A16678 Scientific
22 1603A65556
1606A12336
1607A03935
1612A08488 		LED financial/statistical
22S 2852A11710 LCD scientific
25 1603A60108
1605A16501
1709S23674 		LED Scientific
27 1706A02837 LED Scientific
28C 2720A13062 Scientific
28S 2853A37025
3052S03362 		Scientific
29C 1908S26524 LED scientific, continuous memory
32E 1915A61884
2118S30053 		Scientific
32S 2843A30595
2902A32819
2935S25615 		RPN Scientific
One with a 50th Anniversary (1939-1989) logo
32SII 3219S12942
3624M08744
3402S93799 		RPN Scientific
One with case, manual, cards and original box
33C 1943A13905 Programmable Scientific
34C 2051S36906 Programmable Scientific
35 1230A82741
1302A29998
1346A08461
1346A11358
1346A52106
1346A54185 		Scientific
38C 1836A09986
2045S34873
2052S33033
2137S31425 		Financial
38G 3527S05466
3528S02382 		Scientific Programmable Graphing calculator
41C 2136S12113
2424S40832 		Scientific Programmable calculator
one with original box, case, charger, manuals and paperwork
41CV 2149S40570
2425S40742
2551S20062
2818S20089
41CX 2344S40890
2451S40765
2814S20092 		with case and two manuals
42S 2840A14117
2911S32766
3529S02017 		with slip case
45 1301A06551
1301A06833
1336A05245
1336A17935
1349A08267
1349A09352
1349A11255
(1350A15945)
1350A20780
(1350A26326)
1350A40540 		Scientific
46 1314A02100
1314A07866 		Desktop printing scientific
both with LED display option
one with hard carryting case and cover
48G 3533S08552
3622S07466
3627S04840
3632S02507
SG71106150
SG72301744 		Scientific Programmable Graphing calculator
One with ROM version R
48GX ID92601037
3342S06538
3623S00815
3625S12873 		Scientific Programmable Graphing calculator
All are ROM version R
65 1333A10121
1605A02665 		Scientific Programmable RPN calculator
67 1706S04107
1905A01596
1909S02422 		Scientific Programmable RPN calculator
71B 2421A00450
2508A00381
2606A00516
2609A00210
2850A00243 		Handheld Calculator/Computer
Also have
  • 82400A Card Reader
  • 82481A A.C. Circuit
  • 82485A Text Editor
  • 82440A Software Development Utilities (manual only)
  • 82490A HP-41 Translator Pac
80 1247A15846
1247A25227
1247A31329
1247A46187 		Financial
I have two others besides these
One in a fold-open hard case with AC adapter (82002A), Quick Reference Guide and Warranty Card
9100A 816-01211
816-01242 		HP's first programmable desktop calculator
Click here for more information.
9100B 938-01859 Upgraded version of HP's first programmable desktop calculator
Click here for more information.
9810A 1128A00136 Desktop calculator
This unit has option 004, "Printer" and two plug-in ROMs, "Mathematics" and "Printer Alpha"
9821A 1331A00548 Desktop calculator
The 9821 is basically a 9820 with a tape drive.
This unit has option 003, "1447 total registers" and three plug-in ROMs, "Peripheral Control I", "Peripheral Control II", and "Mathematics".

I did manage to find a service manual specifically for this machine.
9825A 1014A00888 Desktop "calculator", label under the lid shows it to be a 9825T
Also have:
  • 9872A Plotter
  • 9883A Paper Tape Reader
  • 9885 Master and Slave 8-inch floppy drives
  • 98032A Option 040, 16 bit I/O, 6940 (quantity 2)
  • 98032A Option 066, 16 bit I/O, 9866A Line Printer
  • 98032A Option 085, 16 bit I/O, 9885A Disk
  • 98034A, HP-IB Interface
  • 98034A Revised, HP-IB Interface
  • 98034B, HP-IB Interface
  • 98035A Option 001, Real Time Clock (quantity 2)
  • 98035A Option 002, Real Time Clock
  • 98036A, RS-232C I/O, Terminal (quantity 2)
  • 98036A, Option 001, RS-232C I/O, Modem
  • 98046B, RS-232C DTE
  • 98241-67901 I/O Extender
9825B 2031G03284 Desktop "calculator", label under the lid shows it to be a 9825T
9825B Desktop "calculator", with 9866 printer
9831A 1642G00124 (chicklet keyboard, built in Germany)
1642A00589 (full-travel keyboard, built in USA) 		Desktop BASIC-language computer
Click here for more information
9845B 1838A06795 BASIC programmable desktop computer
9915 Industrial version of HP-85
with keyboard
Click here for more information about the keyboard.

Click here for an article from 1980 about the HP-85.

Portable model 110 2430A09375 Laptop computer, with leather case
Also have
  • 00090-60015 HP 110 Portable Computer Owner's Documentation (2 copies)
  • 00090-60023 HP 110 Portable Computer Lotus 1-2-3 User's Manual
  • 45419-90003 HP 110/System Programmer's Guide
  • 45419-90002 Series 100/Macro Assembler
Comments to Dan Veeneman

Click here for the calculator page.
Click here for the home page.

Last updated May 27, 2022