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JSRPhones

Travis Foster
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 •  1-year club

Collection Calculators Accessories

Quick facts:

  • Count: 53 graphing calculators (28 distinct models) View collection picture
  • Total weight: ≈ 14 kg / 31 lbs.
  • By series: 44x TI (31x Z80, 6x eZ80, 4x Nspire, 2x 68k, 1x Other), 7x Casio (4x SH4, 3x Hitachi), 1x HP, 1x NumWorks
  • Oldest calculator: a TI-81 manufactured in November 1991
  • Newest calculator: a TI-84 Plus CE Python manufactured in March 2024
  • Achievements:
    • Total earned: 24 achievements (1 secret achievement)


Model Factory Datecode HW Rev. Serial number Software version(s) Physical condition Extras Acquisition date Pic Comment
TI-84 Plus C Silver Edition
K 0414 H 1154200215 4.2 Good Faceplate(s) 2017
TI-84 Plus C Silver Edition
K 0113 pre-A 1014036430 4.0 Fair Faceplate(s) 2023 Screen has a small scratch.
TI-83 Plus Silver Edition
S 0403 C 2094024563 1.16 Good 2023
Casio fx-9750GIII
C838BXC225706BB_22 03.70.3200 New 2023
Casio fx-CG50
C810A6C069725CB_62 03.80.0212 New Box 2023
TI-Nspire CX II
M 1221 AP 4A17904247 5.3.2.129 Good 2023
TI-84 Plus
L 0318 AC 1035055084 2.55MP Good 2023
TI-81
I 0793 D 0711960 2.00 Worn 2023 "McDaniel" etched into the back. One column of pixels only works intermittently.
TI-89 Titanium
S 0205 B 2114007349 3.01 Fair 2023 Back is scratched up.
HP 39gs
CNA92102643 HP-39E (no revision) New 2023 Had to open it because batteries were beginning to eat through the packaging.
TI-82
I 0497 R 54200758 19.0 Good 2023
TI-84 Plus CE Python
Galaxy Gray 
L 0123 AA 1015010550 5.8.0.0022 Good 2023 Damaged slightly after opening for PCB pictures.
TI-84 Plus CE
L 0515 A 1053012535 5.0.1.0012 Fair 2016 One rubber pad is missing.
TI-83 Plus
S 0203 C 2361026284 1.00 Worn 2023 Heavy scratches on the back and slide case.
TI-Nspire CX CAS
P 0315 U 2475005928 4.5.4.48 Poor 2023 NAND flash might be failing; OS suddenly disappeared once.
TI-84 Plus Silver Edition
S 0507 H 2395054269 2.40 Good Faceplate(s) 2024
TI-83 Plus
P 0410 L 3171026506 1.19 Fair 2024
TI-85
I 0597 I 55002829 10.0 Good 2024
TI-83 Plus
S 0407 K 2841027824 1.19 Fair 2024 Amusingly labelled as a TI-84 at the store.
TI-84 Plus CE Python
Bright White 
L 0324 AA 1035001833 5.8.2.0029 New 2024 From Back-to-School event at Target.
TI-84 Plus
School Property
K 0114 Z 1815090553 2.55MP Fair 2024 Some markings and discolouration are present.
TI-83 Plus
S 0607 K 2864108506 1.19 Good 2024
TI-83 Plus
I 0400 A 1193052971 1.12 New Manual(s) 2024 *Technically* not new in box; the original batteries had to be removed at one point.
TI-83 Plus
P 0410 L 3171051357 1.19 Good 2024 Meh. These are $3 a pop at my local secondhand electronics store. Why not?
TI-84 Plus
S 0406 F 2264069896 2.40 Good 2024 Came with a TI-83 Plus slide case, for some reason.
TI-83 Plus.fr
P 0308 L 2955090270 1.19 Good 2024 Power button requires a bit of extra force to trigger.
TI-73 Explorer
New 84-style
P 0110 I 2611005377 "Graph Explorer Software 1.91" Worn 2024 No rubber bumpers. Many marks on inside of slide case. Some buttons have been worn.
Casio fx-9750GII 'SH4'
White
362BC936B009554 02.04.0701 New 2024 Was in box, but box was damaged.
TI-92
ViewScreen
I 1296 pre-A V1812664 1.12 Fair 2024 Sometimes, blank lines appear on-screen.
TI-Nspire CX CAS
P 0911 D 2085023143 3.1.0.392 Good 2024 Back has silver sticker saying "0869" that I do not know the purpose of.
TI-84 Plus CE
Matte-matic Black 
L 0220 O 1025036284 5.4.0.0034 Good 2024 Battery was dead at first, but works now
TI-81
I 1191 pre-A 1109974 1.6K Good 2024
TI-81
I 0192 pre-A 0172071 1.6K Fair Manual(s) 2024 Has semi-heavy scratches on the screen.
TI-83 Plus
S 0302 C 2254135413 1.14 Fair 2024 Screen is scuffed up. Some keys stick a little.
TI-84 Plus Pocket SE
K 0112 pre-A 1034001914 2.55MP Fair 2024 Name etched into back so forcefully that permanent damage was caused to the housing.
TI-Nspire (Clickpad)
K 0609 pre-A 1011002138 1.7.2741 Good 2024
TI-84 Plus C Silver Edition
K 0314 G 114400291 4.2 Good 2024 Faint markings on back from previous owner.
TI-82
83-style
I 0399 U 77214557 19.0 Fair 2024 One column of pixels may be failing.
NumWorks N0120
GwADAAZRMjQ2ODc0 19.5.12 New Box, Manual(s) 2024
TI-84 Plus
L 0715 AA 1085005998 2.55MP Fair 2024 Came with very annoying to remove sticker on the case.
TI-83 Plus
L 1222 G 1127007766 1.19 New Manual(s) 2024 Bought out of curiosity
TI-84 Plus CE Python
Measure Mint 
L 0223 AA 1025044507 5.8.0.0022 New Manual(s) 2024 Got on clearance, for 90% off -- $15!
TI-84 Plus CE
Infinitely Iris 
L 0422 W 1045060152 5.7.0.0021 New Manual(s) 2024 Got on clearance, for 90% off -- $15!
Casio Graph 25+
None!! "Ver 1.1" Good 2024 There isn't much information available on the calculator to go off of.
Casio fx-7400G PLUS
None!! "Ver. 1.1" Good 2024 There isn't much information available on the calculator to go off of.
TI-83 Plus
S 0405 E 2625043613 1.17 Good 2024 Came with programs in RAM.
TI-83 Plus
S 0303 D 2371047551 1.15 Good 2024 At this point you'll probably find one of these in between your sofa cushions.
Casio CFX-9850G
None!! "ROM Version 4.0" Good 2024 I would like to thank the previous owner of this calc for leaving 15+ year old batteries in it and letting them leak
TI-84 Plus
P 0608 L 2528089056 2.43 / boot 1.02 Fair 2025 First calc of 2025. Faint black spot on screen.
TI-80
I 0395 A 03041846 3.0 Fair 2025 Rubber bumpers on slide case are missing.
Casio fx-CP400
777AW53MA125208 02.00.4000.0000 Fair 2025 Battery cover has a broken latch, but I have no clue how it would even close to begin with
TI-83 Plus
L 0120 E 1015001998 BOOT: 1.01 . BASE: 1.19 Good 2025 Got it just in time; the batteries left behind were just starting to leak
TI-82
Parcus
I 0800 pre-A 1052004414 Broken 2025 Seems to be broken for the moment. Hangs on a black screen when the last battery is inserted and doesn't respond to anything else, even after 2nd + ON.