Calculator collection

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This has become just a holding page enumerating the models that I have. Details of each one will appear on a dedicated website in due course and I'll give a link to that website here.

Running total of items collected so far: 296
  • Hewlett Packard (66)
    • HP 10s
    • HP 10s+
    • HP-10C
    • HP-12C (2x)
    • HP-12C Platinum
    • HP-12C Platinum 25th Anniversary
    • HP-15C
    • HP-16C
    • HP-18C
    • HP-19BII
    • HP-28C
    • HP-28S
    • HP-32S
    • HP-32SII
    • HP-35
    • HP-35S
    • HP 38G
    • HP 39G
    • HP 39gII
    • HP 39gs (2x)
    • HP 40gs (2x)
    • HP-41C
    • HP-41CV (converted to a Systemyde International 41CL)
    • HP-41CX
    • HP-42S
    • HP-45
    • HP-48G (2x)
    • HP-48GX (2x)
    • HP-48G+
    • HP-48S
    • HP-48SX (2x)
    • HP 48gII 2× (1× 2003 version, 1× 2007 version)
    • HP 49G (2x)
    • HP 49g+
    • HP 50g (12x black, 2x blue)
    • HP-67
    • HP-71B
    • HP 95LX (not strictly a calculator but still a handheld computing device)
    • HP 320LX Palmtop with docking station
    • HP 300s+
    • HP Prime (1x Rev. A, 1x Rev. C pale keys, 2x Rev. C dark keys, 1x G2)
  • Hewlett Packard Accessories/Modules (26)
    • HP 82240B IR printer (2x)
    • HP 82153A Barcode wand
    • HP 82160A HP-IL module for HP-41C
    • HP 82170A Quad Memory module for HP-41C
    • HP 82180A Extended Functions module for HP-41C/CV (2x)
    • HP 82181A Extended Memory module for HP-41C/CV/CX (4x)
    • HP 82182A Time Module for HP-41C/CV
    • HP 00041-14023 MATH 1B PAC
    • HP 00041-14011 Structural Analysis Pac STRCTA 1A
    • HP 00041-15006 Circuit Analysis Pac
    • HP 00041-15004 Financial Decisions Pac
    • HP 5061-7285 Advantage Module 1A
    • L119 Howitzer Firing Solution module
    • HP 82120A Battery Pack for HP-41C/CV/CX with charger
    • HP 82104A Magnetic Card Reader for HP-41C/CV/CX
    • HP 82401A HP-IL Module for HP-71B
    • HP 82211A HP SOLVE Equation Library for HP-48SX
    • HP 82215A 128KB RAM card for HP-48SX/GX
    • CMT48 128KB RAM card for HP-48SX/GX
    • GRID 1MB RAM card for HP-48GX
    • PIL-Box
  • SwissMicros (18)
    • DM10L Collector's Edition
    • DM11L (2x)
    • DM12L
    • DM15
    • DM15L (2x)
    • DM16
    • DM16L
    • DM41
    • DM41L (2x)
    • DM41X alpha unit
    • DM41X beta unit
    • DM41X production unit
    • DM42 (3x)
  • Texas Instruments (67)
    • TI-Math Explorer
    • TI-Business Analyst II
    • TI-5025
    • TI-1006 Light Powered
    • TI-1025
    • TI-15
    • TI-30
    • TI-30X Solar
    • TI-35
    • TI-36X Solar
    • TI-53 (4x)
    • TI-55-II
    • TI-56
    • TI-57 LCD
    • TI-57 II (2x)
    • TI Programmable 58
    • TI-65 Technical Analyst
    • TI-66 (4x)
    • TI-67 Galaxy (2x)
    • Ti-68
    • TI-73
    • TI-73 Explorer
    • Ti-74 BASICALC
    • TI-80
    • TI-81 (2x)
    • TI-82
    • TI-82 (2001)
    • TI-83
    • TI-83 Plus
    • TI-83 Plus Silver Edition
    • TI-84 Plus
    • TI-84 Plus Silver Edition (2x)
    • TI-84 Plus C Silver Edition (2x)
    • TI-84 Plus Pocket SE
    • TI-84 Plus CE-T
    • TI-85
    • TI-86
    • TI-89
    • TI-89 Titanium (2x grey, 1x black)
    • TI-92
    • TI-92 II
    • TI-92 Plus
    • Voyage 200
    • TI-95 PROCALC (2x, 1 of which with 8KB RAM module)
    • TI NSpire
    • TI NSpire CAS
    • TI NSpire Touchpad
    • TI NSpire CAS Touchpad
    • TI NSpire CX
    • TI NSpire CX CAS
    • TI NSpire CX II-T
    • TI NSpire CX II-T CAS
    • TI LCD Programmer
  • Casio (79)
    • FX-81
    • FX-180P (4x)
    • FX-180Pv
    • FX-200P
    • FX-373ES
    • FX-570
    • FX-570ES PLUS
    • FX-702P (2x)
    • FX-730P (2x)
    • FX-795P
    • FX-802P
    • Fx-850P
    • FX-880P
    • FX-991ES PLUS
    • FX-1000F
    • FX-2700P
    • FX-3400P (2x)
    • FX-3500P
    • FX-3600P
    • FX-3650PII
    • FX-3800P
    • FX-3900PV
    • FX-4000P
    • FX-4200P
    • FX-4500P
    • FX-4800P
    • FX-5000F
    • FX-5500
    • FX-5800P (2x)
    • FX-6000G
    • FX-6300G
    • FX-7000G/GA/GB (5x)
    • FX-7300G
    • FX-7400G PLUS
    • FX-7500G (2x)
    • FX-7700G
    • FX-8000G
    • FX-8100
    • FX-8500G
    • FX-8700G
    • FX-9700GE
    • FX-9750G
    • FX-9750GII
    • CFX-9800G
    • CFX-9850G
    • CFX-9850GB PLUS (2 variants)
    • FX-9860G SD
    • FX-9860G Slim (2x)
    • FX-9860GII
    • FX-9860GII SD
    • FX-9860GIII
    • FX-9900GC
    • CFX-9940GT
    • CFX-9950GB PLUS
    • CFX-9990GT
    • FX-CG20
    • FX-CG50 (2x)
    • PB-110
    • PB-410F
    • RC-4 RAM pack (3x)
    • RP-8 RAM pack
    • RP-33 RAM pack
  • Others (40)
    • Canon LC-64T
    • Canon LS-25HII
    • Canon F-73P
    • Citizen SRP-45
    • Электроника МК61
    • Ericsson MC12 "Mobile Companion" (rebranded HP 320LX Palmtop)
    • Panasonic JE-554U
    • Sharp EL-W531
    • Sharp EL-5020
    • Sharp EL-9200
    • Sharp EL-9300
    • Sharp EL-9450
    • Sharp EL-9600
    • Sharp EL-9900 (5x)
    • Sharp PC-1246 (2x)
    • Sharp PC-1248
    • Sharp PC-1360 (2x)
    • Sharp PC-1401 (extended to 10kB)
    • Sharp PC-1421
    • Sharp PC-1500
    • Sharp PC-1500A
    • Sharp PC-G850VS
    • Sharp CE-124 Cassette Interface
    • Sharp CE-211M 4KB RAM card
    • Sharp CE-212M 8KB RAM card (7x)
    • SMART² EC-4034 (rebranded Casio fx-7700G)
    • National Semiconductor 4650
    • Tandy EC-4019 (rebranded Casio fx-3800P)

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HP Prime benchmark

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Err, right. The HP Prime is hardly a vintage calculator given that it was first released in 2015. Better still, HP released the so-called Prime "G2" in August 2018 with faster hardware, much more RAM to work with and double the storage space in flash memory. When that happened, there was no excuse, I had to get one. At the time of writing, the Prime G2 would appear to be available only in Europe. The Americas have been left by the wayside this time around. I bought mine from derekenwinkel.nl with whom I have no affiliation other than being a happy customer of theirs. As it became known that there was an updated version of the Prime, people in the Museum of HP Calculators Forum were interested in hard data showing the improvements in performance, so I went and wrote a benchmark. The benchmark in itself is probably of limited value in absolute terms but gives a good idea of the differences between different machines. A benchmark run can comprise up to th...
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Free navigation with OVI Maps!

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On the morning of January 21st 2010, Nokia announced that turn-by-turn navigation would be free for all to use on their Nokia handsets. Until now, the OVI Maps software (formerly known as Nokia Maps) was free to use for finding your current position and managing locations, but obtaining step-by-step directions from one location to another with vocal prompts was subject to the purchase of a navigation licence. The roll-out of free navigation is not yet global. The ability to use it is subject to installing OVI Maps V3.03, which is not yet ported to all models. As of writing, the models supported are: 5230, 5800 XpressMusic, 5800 Navigation Edition 6710 Navigator, 6730 classic, X6 E52, E55, E72, N97 mini Current speculation is that this new version of OVI Maps will be embedded in the V21 firmware update of the N97 that is due to be released later this month. It is also thought that OVI Maps V3.03 is the reason why the V21 update, originally announced for December 2009, was delayed. Visit...
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Is it really a Hewlett Packard?

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There are two scientific calculators recently produced that, I'm afraid, fall into the cheap, plasticky category. They are the HP300s+ and the HP10s+. The question is, are they really Hewlett Packard machines at all? They are not. They are in fact Casios that have been rebadged to look like HP machines. Want proof? Watch this video with the HP10s+ showing its real colours. If you press the MODE key four times you get to the menu where you can alter display settings. There is an undocumented function in this menu where, if you press '2', you get to the contrast setting. This is not mentioned in the manual and, indeed, it has no effect, but look at what you get on screen when you press '2'. One good thing about this little machine is that I didn't even have to put a battery in it. The solar panel above the screen provides enough power to run the calculator as long as there's enough light around.
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