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illwieckzthe full-time collector

Thomas Debesse — France

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Collection Calculators Accessories

Quick facts:

  • Count: 109 graphing calculators (64 distinct models)
  • Total weight: ≈ 34 kg / 75 lbs.
  • By series: 66x TI (29x Z80, 27x 68k, 5x Nspire, 3x eZ80, 2x Other), 28x Casio (11x V30MX, 9x Hitachi, 3x SH3, 3x Other, 2x SH4), 4x HP (3x Saturn, 1x ARM), 1x Canon, 2x Auchan, 1x Catiga, 4x Sharp, 2x Lexibook, 1x E.Leclerc
  • Oldest calculator: a TI-81 manufactured in June 1991
  • Newest calculator: a TI-84 Plus CE-T Python Edition manufactured in March 2022
  • Achievements:
    • Total earned: 29 achievements (1 secret achievement)


Model Factory Datecode HW Rev. Serial number Software version(s) Physical condition Extras Acquisition date Pic Comment
Fair 2002-09 First owner.
Fair Manual(s) 2001-08 First owner.
Name engraved on the back.
K 0514 C 1045038230 1.19 New 2023-05-26
K 0614 C 1055004737 1.19 Fair Box 2023-05-21
P 0510 M 3185004273 1.19 Good 2023-08-13
G351-11 A122568 1Y302E 1.03 Good 2023-05-21 TEST MODE NAME: GY351.
CALC SUM: 4F1CAF3A.
Previous owner name engraved in battery cover.
Subtle traces of drawings on various places on front and back (likely erased pencil writing that left a mark anyway).
G351-32 A053501 0Q0804 R/H 1.05 Good 2023-05-26 TEST MODE NAME: GY351.
CALC SUM: 4D1BC8A2.
Some letters subtlety engraved on the cover.
S 1106 G 2334000161 2.40 New 2023-05-01
S 0305 B 2121113459 3.10 New 2023-05-01 HW 3.00.
Metallic solidary faceplate.
I 0701 1063047720 1.19 Good Manual(s) 2023-05-21 Batteries are running out too quickly than normal (even if off).
Fair 2019 HW 1.00.
RCI 0396 0396 0357 rom 1.7 Good Box, Manual(s) 2023-05-21 No TI-ViewScreen port.
I 0599 V0109456 2.09 Fair Box, Manual(s) 2023-05-21 HW 2.00.
Previous owner name engraved on the stern border, erased by friction.
I 1198 VII4005** E 2.1 Broken 2023-07-20 Some keys don't work.
Screen is faulty.
The calculator suffered heavy corrosion from battery leakage.
Serial label was removed, an incomplete part of it remained.
I 0197 VII190974 plus 2.09 Good Box, Manual(s) 2023-07-29 With Plus module with OS 2.09.
I 0299 C 47213327 4.0 Fair 2023-05-26 Screen is a bit tired: all pixels work but sometime one has to cycle OFF and ON the calculator to get all of them working.
Stickers on back and on cover.
Missing rubber pads on cover.
I 0693 D 0601927 V2.00 Fair 2023-05-26
I 0693 G 0609798 11.0 Fair 2023-05-31 Screen a bit tired: all pixels work but some lines may have different intensities, symptoms disappear if I press the top of the screen.
Label on cover.
Previous owner name engraved on the back.
I 0892 0809364 3.0A Good 2023-05-26
S 0406 F 2171005893 1.11fr7 Good 2023-05-26 Ink on cover.
Label on cover.
Received with leaked batteries.
S 0707 E 2304008124 1.11fr7 Broken 2023-05-26 Very unstable, sometime the screen displays garbage, sometimes not, without 100% reproducible way to fix it when this happens.
Ink on cover.
Label on cover.
Received with leaked batteries.
I 1096 V1504090 onboard 1.11, plus 2.09 Worn Box, Manual(s) 2023-05-26 With Plus module with OS 2.09.
The box was degraded by previous owner to carry the Plus module documentation.
Number engraved on cover.
Pressing a key changes screen contrast for the time the key is pressed (makes it unusable for games).
Has soldered TI-92 rom with OS 1.11 under the module port.
S 0703 A 2221000659 19.006 Fair 2023-05-26
S 0303 D 2375073411 1.19 Good Manual(s) 2023-05-26 Ink on cover.
Label on cover.
I 0596 B 03018629 1.0300 Fair Manual(s) 2023-05-26 Missing cover.
I 1004 G 1320001507 3.10 Poor 2023-05-26 Defective pixel columns.
Missing cover.
Keys are strongly yellowed by sun, they come from the 2216031555 model (key exchange).
I 0698 VII350347 E 2.1 Broken 2023-06-12 Doesn't power up.
Not in mint condition.
Previous owner initials engraved inside cover.
Traces of label on the back.
Previous owner name engraved on the back.
Special characters written with pen above the keys.
On cover one rubber pad is entirely missing, the other one is incomplete.
The E module is not tested yet.
L 0322 V 10355001778 5.7.0.0017 New Manual(s) 2023-06-01 First owner.
G351-32 A031803 6Q0313 R/H 1.05 Good Box, Manual(s), CD(s) 2023-08-21 TEST MODE NAME: GY351.
CALC SUM: 4D1BC8A2.
Dark felt pen mark over serial number.
Subtle traces of numbers written on top front (likely erased pencil writing that left a mark anyway).
With SB-88 USB cable.
Complete box with every paper (opened), except calc-to-calc cable is missing.
N 0102 C 110782608 1.6 Good 2023-07-30 Missing rubber pads on cover.
Z946-02 A121061 0Y303E 1.02 Good 2023-08-31 TEST MODE NAME: ZX946.
CALC SUM: 640453EA.
Previous owner name marked with pen on the back.
02.04.2201 Good 2023-08-31 Missing serial label.
Missing cover.
K 1210 pre-A 1014000815 2.55MP Good 2023-09-03
I 0595 B 05092354 4.0 New in box Box, Manual(s) 2023-08-31 Dead pixel columns.
G350-32 A025045 4Q1080 9A 1.05 Good 2023-09-08 TEST MODE NAME: GY350.
CALC SUM: 4D1BC8A2.
CNA 02100154 HP39-E 2.22 Good 2023-09-09 ON+F6 displays:
VERSION: 04.02
BUILD NUMBER: 0114
Missing all rubber pads on cover.
Missing 2 rubber pads on calculator.
G352-011 A119666 2Q1053 1A 1.03 Good 2023-06-03 TEST MODE NAME: GY352.
CALC SUM: 4F1CAF3A.
Some decorative stickers on it.
L 0318 L 1034007086 5.2.2.0043 Good 2023-08-31
ID 92900499 HP49-B 1.19-6 Good 2023-09-08 Previous owner name engraved on the back.
With PC serial cable.
S 0306 K 2721092520 1.19 Good Manual(s), CD(s) 2023-09-10
S 0407 pre-A 2016019495 1.2.2394 Good Manual(s) 2023-09-11
S 0507 pre-A 2011014540 3.9.0.463, 84+ 2.56MP Good 2023-09-09
CN 03207565 HP-39A Good 2023-09-08
G350-32 A096529 8Q0918 1.05 Worn 2023-09-08 TEST MODE NAME: GY350.
CALC SUM: 4D1BC8A2.
The cover has some parts being molten because of unknown external heat the calculator suffered.
There is a huge trace of glue on the cover.
S 0903 F 2211002905 2.09 Good Manual(s), CD(s) 2023-09-09 HW 2.00.
RCI 1095 pre-A 109538664 rom 1.3 Worn Manual(s) 2023-09-11 No TI-ViewScreen port.
One “teacher's” TI-92.
With TI-92 ROM module.
An optional TI-92 E module is provided in a box.
The + key doesn't work (then the `diamond + plus` keystroke can't be used to increase contrast).
When I received the calculator, pressing a key dimmed the screen for the time the key was pressed and sometime the calculator was shutting down itself when pressing keys. The calculator was not stable on Alkaline or Ni-Mh batteries, it was only stable on Li-Ion ones. I cleaned up some trace of old battery leakage on the motherboard and now the calculator is stable. It would be in “Good” condition if the `+` key was working.
RCI 1195 pre-A 119554453 E 2.1 Good Manual(s) 2023-09-11 One “teacher's” TI-92.
With TI-92 E module.
The original TI-92 module is stored in the E module box.
0409 495BW 495BW94MA031012 02.00.2200 Good 2023-09-12 With USB and link cables.
G350-32 A031615 4Q101 4A 1.05 Poor 2023-09-08 TEST MODE NAME: GY350.
CALC SUM: 4D1BC8A2.
Missing cover.
Missing battery cover.
I 0598 pre-A VII340507 plus 1.0 Good 2023-09-16 With Plus module with OS 1.00.
P 0213 L 2014002452 3.10 Good 2023-09-17 HW 4.0.
Matte grey solidary faceplate.
P 0211 K 2836003083 3.10 Good 2023-09-17 HW 4.0.
Black solidary faceplate.
S 0307 K 2831103447 1.19 Good 2023-09-14
Fair 2023-09-03 Name engraved on the back.
Initial engraved on the front on the left on the screen.
Comes with a solid box and a leather cover.
007039 Good Manual(s) 2023-09-21 Italian manual.
Z945-02 A170561 0Y308E 1.02 New in box Box, Manual(s), CD(s) 2023-09-14 TEST MODE NAME: ZX945.
CALC SUM: 640453EA.
8Y203F 1.0 Good Box, Manual(s) 2023-09-14 TEST MODE NAME: ZX939.
CALC SUM: 064B7115.
Some initials are written inside the battery cover.
0Y030F 1.0 Good 2023-09-19 TEST MODE NAME: ZX931.
CALC SUM: 05D61789.
Z945-02 A193360 0Y311E 1.02 Worn TEST MODE NAME: ZX945.
CALC SUM: 640453EA.
It looks like two columns of pixels are missing on the left, which is unfortunate because the calculator is in very good state and looks like new.
1Y302F Worn Manual(s) 2023-09-16 Almost all the keys on first key columns on the left are unusable.
Comes with a serial cable and an USB cable.
3436S05688 Good Box, Manual(s) 2023-09-27 With an HP soft case.
I 1200 D 14210122504 2.05 Good 2023-09-16 HW 2.00.
Boot 1.07 build 35.
L 0317 pre-A 1035058825 5.0.0.0028 Good 2023-09-24 Missing rubber pads on cover.
Good 2023-09-25
RCI 0696 pre-A 029604237 rom 1.11 Worn 2023-09-21 From box of six TI-92/II/+.
With I-0696N 1.11 rom module.
Previous owner name marked inside cover with Tipp-Ex.
Other previous owner name engraved on the back.
Missing memory battery cover.
Some keys are not working, even the ON key doesn't work (it only boots when removing and replacing batteries).
Unstable contrast.
I 0497 pre-A VII221169 plus 2.09 Good 2023-09-21 From box of six TI-92/II/+.
Previous owner name marked inside cover (not the seller, likely third-hand).
The cover has some broken angles and doesn't stay still.
Missing rubber pads on cover.
Label with “TI-92 Plus” marking inside.
Missing rubber pads on battery cover.
With Plus module with OS 2.09.
I 0900 A unknown 2.09 Fair 2023-09-21 From box of six TI-92/II/+.
Mixed parts: with cover of unknown 1370V00199 I-0102A TI-92+.
Name of previous owner engraved and written with Tipp-Ex inside cover.
Words “Prog I” written with Tipp-Ex on cover.
Missing rubber pads on cover.
I 0401 A unknown 2.05 Fair 2023-09-21 From box of six TI-92/II/+.
Mixed parts: with cover of unknown TI92+ V0402051 I-0899.
With previous owner name written with Tipp-Ex in cover.
Some small Tipp-Ex splat on top of cover.
The screen contrast is not consistent, some pixel columns may keep themselves with correct contrast when contrast is too high. All pixels work.
With “Prog II” wording written with Tipp-Ex on battery cover.
With “J-21” wording engraved on battery cover.
Battery cover has some trace of battery leakage but the calculator have not, the cover not sharing the same datecod it was probably given to a previous owner by an owner of another broken calculator and those leak traces say nothing about the calculator itself.
I 1099 A V0706872 2.05 Fair 2023-09-21 From box of six TI-92/II/+.
With previous owner name written with Tipp-Ex in cover.
With “Text” wording written with Tipp-Ex in cover.
With “Text I” wording written with Tipp-Ex on battery cover.
With extra `Cert. Rev # 4` line in About screen.
With missing rubber pads on cover.
Some color fade on stern border.
With one missing and one displaced rubber pad on battery cover.
I 0400 A 1160V03068 2.03 Good 2023-09-21 From box of six TI-92/II/+.
With “Text (2)” wording written with Tipp-Ex on battery cover.
S 0405 B 2091012713 1.10001 Good 2023-09-26
I 0501 pre-A 1143050564 1.10001 Good 2023-09-26 Grey parcus case.
Blue screen.
P 0409 G 2467010650 1.11fr7 Good 2023-09-26
S 0407 K 2216031555 3.10 Fair 2023-09-18
Z636 8B109B 2.0 Worn 2023-09-25 TEST MODE NAME: ZX936.
The whole line of “4 5 6 × ÷” keys is dead.
New in box 2023-09-25
P 0711 pre-A 2149000825 1.00fr5 Good 2023-09-05 Dirty repairing of battery pad connection.
I 0993 C 0913427 8.0 Worn 2023-09-25 Faulty line on screen.
P 0410 B 2048009258 2.0.0.1188, 84+ 2.54MP New Manual(s), CD(s) 2023-09-29 Was new-in-a-box but the box was removed by the seller before shipping because it had been destroyed by leaked batteries.
P 0317 AA 2705022782 4.4.0532 Good Box 2023-09-25
RCI 0696 pre-A 0696 0346 E 2.1 Good 2023-09-25 With an E module.
I 1096 N 15000754 onboard 1.11 Good 2023-09-25
I 0691 pre-A 0619112 1.6K Good Manual(s) 2023-09-25 Early model without backup battery.
S 0407 K 2844059469 1.19 Good 2023-08-21
A117170 3M104A 10530 03.00.3500 Fair 2023-09-28 Small dust on screen.
Pen is not original.
0407 362DW 362DW74KA952696 02.04.0701 Good 2023-09-14
I 0503 E 1714V00078 2.05 Good 2023-09-27 HW 2.00.
Comes with an exclusive french “Club TI” cover.
2D005351 Good Box, Manual(s) 2023-09-23 Some decorative pen marks on cover.
Z636 8B109E 2.0 Worn Manual(s) 2023-09-29 TEST MODE NAME: ZX936.
3017 4MB ROM SUM: 049CDC69.
3020 8MB ROM SUM: 60D8E095.
Screen instability.
Good Manual(s) 2023-10-02
P 0710 B 2068011098 2.0.0.1188 Good 2023-09-25 Some scratches on cover.
G351-32 A136798 4Q1032 9A 1.05 Good Manual(s) 2023-09-29 TEST MODE NAME: GY351.
CALC SUM: 4D1BC8AD.
4C 003718 2023-09-20
7D308F 1.0 New in box Box, Manual(s) 2023-09-30 TEST MODE NAME: ZX936.
3017 4MB ROM SUM: 049F4C90.
3020 8MB ROM SUM: 627F3EC6.
1404/VA00 Fair 2023-10-06 Some marks on plastic over screen.
A294197 7Q0320 R/H 01.03.0000 Good 2023-10-08
Good 2023-09-21
8B109B 2.0 New 2023-10-08 TEST MODE NAME: ZX936.
3017 4BM ROM SUM: 049CDC69.
3020 8BM ROM SUM: 60D8E095.
2010318A 1.0 Good 2023-10-08 TEST MODE NAME: ZX941.
ROM SUM: AAA0.
Casio engraving on cover was colored with graphite pencil.
1705/VA01 Good 2023-10-06 🤡️ 💯
L 0621 pre-A 1067005330 5.6.3.0017 Good 2023-10-10
A201774 6Q0216 R/H 1.0 Good Manual(s) 2023-10-06 TEST MODE NAME: GY358.
CALC ROM SUM: 074C70E6.
With SB-88 USB cable.
Fair 2023-10-12 There is a bump on the top of the calculator, doesn't prevent the normal functioning.
4C018796 Good 2023-10-13 There are some engraved initials on the back.
2C 224520 Fair 2023-10-12 The screen glass has to be reglued.
Pressing a key is strongly dimming the screen for the time the key is pressed.
P 0312 G 2755098956 1.11fr7 Good 2023-10-12 The cover graph engraving was painted in white, and there is a mot d’amour to some girl written in white inside the cover.
P 0413 G 2873024797 1.11fr7 Good 2023-10-12
K 0313 pre-A 1034127743 4.0 Good 2023-10-19 Pink model.
A name is written inside cover.
1019134-10 Good 2023-10-02 Duplicate serial number with critor.