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Maelmare


Collection Calculators Accessories

Quick facts:

  • Count: 78 graphing calculators (18 distinct models)
  • Total weight: ≈ 20 kg / 44 lbs.
  • By series: 78x TI (67x Z80, 6x 68k, 3x Other, 2x Nspire)
  • Oldest calculator: a TI-81 manufactured in July 1990
  • Newest calculator: a TI-82 STATS manufactured in September 2013
  • Achievements:
    • Total earned: 14 achievements


Model Factory Datecode HW Rev. Serial number Software version(s) Physical condition Extras Acquisition date Pic Comment
TI-81
0491 0415069 1.5K Fair Manual(s) 2024 BM(G)L
LB
central screw rusted
No Battery backup
Molded concentric circles in BB area
TI-82
I 0494 M 17024726 17.0 Fair Manual(s) 2024 LBM(G)
TI-85
I 0795 I 31139856 10.0 Worn Manual(s) 2024 LBM(W)
lower rubber stopper missing on slide cover
engraving on top rear "KAPERKK
TI-92 Plus
I 0300 A 1150V01228 2.08 Good Manual(s) 2024-07-15 slightly loose back panel.
TI-92
I 0496 pre-A V0914245 1.01 Good Manual(s) 2024-07-19 Upgraded to 92 Plus, original chip marked I-0696 O
Stamped large "R" on back panel
TI-92
I 0596 pre-A V1001266 1.11 Good Manual(s) 2024-06-10 small white paint spots, likely from identifier being cleaned off
TI-Voyage 200
I 0902 A 1070000443 3.10 Fair Box, Manual(s), CD(s) 2024-08-29
TI-83 Plus
N 0801 C 127030170 base 1.00 boot 1.16 Good Manual(s) 2024
TI-86
S 0402 K 2030215334 1.6 Good 2025 gift from uncle Ron
TI-89
ViewScreen
I 0500 D 1350V00018 2.03 Good Manual(s) 2024 HW2
TI-84 Plus
P 0210 L 2718001599 boot 1.02 base 2.43 Good Manual(s) 2010 Purchased at college bookstore for schoolwork
TI-89 Titanium
P 1209 K 2597009018 3.10 New Manual(s) 2010 purchased at college bookstore, didnt end up needing it, basically new
TI-82 STATS
Black
P 0913 H 2923019114 1.11 Fair 2025-03-17 no slide cover
TI-82
I 0297 R 52207697 19.0 Good 2025 LBM(W)
Engraved on slide cover "MLM"
Engraved on back cover "MLM 543663896"
TI-83 Plus Silver Edition
ViewScreen
I 0403 A 1234V02125 boot 1.00 base 1.15 Good 2024-03-17 special edition trans blue "2000" slide cover
TI-81
Untethered ViewScreen
I 0494 F VS200703 2.0V Fair 2025-03-13 LBM(G)

NB

Battery backup

Engraved "056-1TE"

Engraved "M.L. KING MIDDLE SCHOOL"
TI-81
Untethered ViewScreen
I 0794 F VS200495 2.0V Fair 2025-03-13 LBM(G)
NB
Battery Backup
Engraved "056-2TE"
Engraved "M.L. KING MIDDLE SCHOOL"
Multiple vertical lines on screen
TI-81
I 0192 0105658 1.6K Worn 2024 BM(G)L
LB
No battery backup
Flat backup battery area
TI-81
I 0494 F 16002420 2.0V Fair 2025 LBM(G)
NB
Battery backup
TI-81
I 1096 G 45000720 2.0V Good 2025 LBM(W)
NB
Battery backup
TI-82
ViewScreen
I 1095 R VS361806 19.0 Fair 2024-03-11 LBM(W)
Engraving "BOC"
TI-Nspire (Clickpad)
S 0707 pre-A 2026004943 boot1 1.1.8916 boot2 1.1.8981 Good 2025-02-12 Blue
With canvas carrying pouch
With TI-84 Plus keypad
With TI-Nspire Clickpad
TI-82
83-style
I 0799 U 81220616 19.0 Good 2024-08-06
TI-82
Parcus
S 0502 A 2101017614 19.006 Fair 2025-03-06 Engraved in nameplate "Christian"
TI-83
Parcus
I 1200 A 1081016195 1.10001 Good 2025-03-17
TI-86
I 0597 B 01245096 1.2 Poor 1998 Display model purchased by me in high school from Sun TV going out of business sale
All rubber feet missing
Slide cover, inside battery cover and inside battery compartment engraved with my last name
TI-82
ViewScreen
I 1194 Q VS251263 18.0 Good 2025-03-07 LBM(G)
Engraved "T2" and written on top in silver paint pen
one circular rubber foot missing on VS body piece
TI-83
ViewScreen
I 1298 N VS373639 1.10 Good 2024 TI-83 Plus body style
TI-84 Plus Silver Edition
ViewScreen
P 0608 M 2528046355 Boot 1.02 Base 2.43 Good 2025-03-11
TI-85
Untethered ViewScreen
I 0895 I VS320843 10.0 New 2025 LBM(W)
TI-85
I 0597 I 55000670 10.0 Good 2024 LBM(W)
Vertical Lines on screen
TI-82
I 0795 R 33310921 Broken 2024

LBM(W)
Broken battery spring
no slide cover
no battery cover
TI-80
I 0595 B 05127016 4.0 Fair 2024 Sharpie "Cuketty"
Stamped Large "R"
TI-80
I 0795 C 07129818 4.0 Good 2024
TI-86
ViewScreen
I 0597 B V0100985 1.2 New 2025-02-21
TI-80
I 0495 A 04031573 3.0 Broken 2024 Vertical lines on over half the screen
TI-Nspire (Touchpad)
P 0110 A 2018003205 2.0.1.60 Good 2025-02-12 With TI-84 Plus Keypad
With TI-Nspire Touchpad
TI-81
Tethered ViewScreen
12125 1.6k Good Manual(s) 2024 BM(G)L
LB
No battery backup
Flat battery backup area
No AC adaptor option
With hard plastic case
With Polaroid T691 enlarger in box
LTA92 on back of viewscreen
TI-81
Tethered ViewScreen
003880 Broken 2024 BM(G)L
LB
No battery backup
Molded concentric circles in BB area
No AC adapter option
With hard plastic case
With Polaroid T691 enlarger in box
LTA90 on back of viewscreen
Does not power on
TI-81
Tethered ViewScreen
037766 1.8k New Manual(s) 2025-03-27 BM(G)L
LB
Battery backup
With AC adaptor
With hard plastic case
With Polaroid T691 enlarger in sealed box
LTA93 on back of viewscreen
TI-85
Tethered ViewScreen
029916 3.0A New Manual(s) 2025-03-12 BM(G)L
With AC adaptor
With hard plastic case
With Polaroid T691 enlarger in box
LTA92 on back of viewscreen
TI-81
I 0494 F 16009491 2.0V Fair Box, Manual(s) 2025 LBM(G)
NB
Battery backup
TI-81
I 0793 D 0731774 2.00 Good 2025-04-05 BM(G)L
NB
Battery Backup
TI-81
I 0790 0711527 Broken 2025-04-04 BM(G)L
LB
No battery backup
Molded concentric circles in BB area
Does not power on
TI-82
I 0593 pre-A 0513369 Broken 2025-04-04 LBM(G)
Lines on ~25% of the screen
Bad oxidation on one battery terminal
Blemish in the middle of the screen
Software version displays as "3." no numbers after the decimal place
TI-81
I 0995 G 33016551 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on over half the screen
Engraved "m.L. King m.s."
Engraved "056-10A"
TI-81
I 0995 G 33015298 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on ~10% of screen
Engraved "m.L. King m.s."
Engraved "056-9A"
TI-81
I 0995 G 33007418 Broken 2025-03-13 LBM(W)
NB
Battery backup
Engraved "m.L. King m.s."
Engraved "056-8A"
Does not power on
TI-81
I 0995 G 33016701 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on more than 75% of the screen
Engraved "m.L. King m.s."
Engraved "056-7A"
TI-81
I 0995 G 33015159 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on ~50% of screen
Engraved "m.L. King m.s."
Engraved "056-3A"
TI-81
I 0995 G 33011124 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on ~50% of screen
Horizontal line on screen
Engraved "M.L. King m.s."
Engraved "056-1A"
TI-81
I 0995 G 33016808 Broken 2025-03-13 LBM(W)
NB
Battery backup
Engraved "056-4"
Engraved "M.L. KING"
TI-81
I 0995 G 33015432 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on more than 50% of screen
Engraved "056-15"
Engraved "M.L. KING"
TI-81
I 0995 G 33008696 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on more than 50% of screen
Engraved "056-17"
Engraved "M.L. KING"
TI-81
I 0995 G 33015643 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on more than 75% of screen
Engraved "056-18"
Engraved "M.L. KING"
TI-81
I 0995 G 33009233 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on ~30% of screen
Engraved "056-19"
Engraved "M.L. KING"
TI-81
I 0995 G 33006819 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on ~50% of screen
Engraved "056-21"
Engraved "M.L. KING"
TI-81
I 0995 G 33013561 2.0V Poor 2025-03-13 LBM(W)
NB
Battery backup
Lines on less than 10% of screen
Engraved "056-5"
Engraved "M.L. KING"
TI-81
I 0995 G 33017944 2.0V Poor 2025-03-13 LBM(W)
NB
Battery backup
Lines on ~20% of screen
Engraved "056-8"
Engraved "M.L. KING"
TI-81
I 0995 G 33015291 2.0V Worn 2025-03-13 LBM(W)
NB
Battery backup
Lines on ~5% of screen
Engraved "056-10"
Engraved "M L KING"
TI-81
I 0995 G 33016743 2.0V Poor 2025-03-13 LBM(W)
NB
Battery backup
Lines on ~25% of screen
Engraved "056-11"
Engraved "M.L. King" in cursive
TI-81
I 0995 G 33015628 2.0V Worn 2025-03-13 LBM(W)
NB
Battery backup
Lines on ~25% of screen
Engraved "056-12"
Engraved "M L KING"
TI-81
I 0995 G 33015653 2.0V Broken 2025-03-13 LBM(W)
NB
Battery backup
Lines on more than 75% of screen
Engraved "056-13"
Engraved "M L KING"
TI-81
I 0592 B 0550074 1.8K Good 2025-04-07 BM(G)L
LB
Battery backup
Engraved "TK"
TI-85
I 0892 pre-A 0827365 3.0A 2025-04-07 BM(G)L
TI-85
I 0795 I 31141970 10.0 Fair 2025-04-07 LBM(W)
TI-85
Untethered ViewScreen
I 0394 D VS152023 8.5V Good 2025-04-07 BM(G)L
Both rubber footpads missing on VS body panel
TI-85
Untethered ViewScreen
I 0394 D VS152804 8.5V Fair 2025-04-07 BM(G)L
One rubber footpad missing on VS body panel
TI-85
Untethered ViewScreen
I 0594 E VS170747 8.5V Fair 2025-04-07 BM(G)L
Both rubber footpads missing from VS body panel
TI-85
I 0895 I VS320004 10.0 Good 2025-04-07 LBM(W)
TI-85
I 0295 G 27019137 9.0 Good 2025-04-07 LBM(W)
TI-81
I 0890 pre-A 0802697 1.1 Good 2025-04-07 BM(G)L
LB
No battery backup
Concentric molding rings in BB area
TI-81
I 0391 pre-A 0317362 1.5K Good 2025-04-07 MB(G)L
LB
No battery backup
Molded concentric circles in BB area
TI-86
I 0697 C 02453007 1.3 Good 2025-04-07
TI-86
I 0797 D 03450502 1.4 Fair 2025-04-07
TI-86
ViewScreen
I 0697 B V0200193 1.2 Good 2025-04-07
TI-86
ViewScreen
I 0897 D V0400149 1.4 Good 2025-04-07
TI-86
ViewScreen
I 0399 K V2300314 1.6 Good 2025-04-07