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Alex C Miranda — Texas

Collection Calculators Accessories

Quick facts:

  • Count: 10 graphing calculators (5 distinct models)
  • Total weight: ≈ 3.3 kg / 7.3 lbs.
  • By series: 9x TI (7x Nspire, 2x Z80), 1x HP
  • Oldest calculator: a TI-81 manufactured in July 1990
  • Newest calculator: a TI-Nspire (Touchpad) manufactured in July 2010
  • Achievements:
    • Total earned: 7 achievements


Model Factory Datecode HW Rev. Serial number Software version(s) Physical condition Extras Acquisition date Pic Comment
TI-Nspire (Clickpad)
P 0509 F 2138021610 3.9.0.463 Good Faceplate(s)
TI-81
0790 1.1 Worn 1990 Early Model, Different Chips, and no backup battery
TI-Nspire (Clickpad)
K 0709 B 1021005075 3.1.0.392 Good Faceplate(s) Runs CAS Software
TI-Nspire (Touchpad)
P 0710 B 2078020455 2.0.0.1188 New Faceplate(s) 2023-08-23
TI-Nspire (Touchpad)
P 0710 B 2078020124 2.0.0.118 New Faceplate(s) 2023-08-23
TI-Nspire (Touchpad)
P 0710 B 2078019491 3.9.0.463 New Faceplate(s) 2023-08-23
TI-Nspire (Touchpad)
P 0710 B 2078020082 3.9.0.463 New Faceplate(s) 2023-08-23
TI-Nspire (Touchpad)
P 0710 B 2078020456 3.9.0.463 New Faceplate(s) 2023-08-23
TI-85
I 0995 I 33242811 10.0 Fair 2024-02-06
HP 28S
2848A90234 Worn 2024-04-29