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otosan-maker

— Spain
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Collection Calculators Accessories

Quick facts:

  • Count: 9 graphing calculators (8 distinct models), 1 of which is a prototype
  • Total weight: ≈ 2.5 kg / 5.5 lbs.
  • By series: 4x Casio (2x SH4, 1x SH3, 1x Other), 2x TI (1x 68k, 1x Nspire), 1x HP, 2x Otosan
  • Oldest calculator: a TI-Voyage 200 manufactured in June 2004
  • Newest calculator: a TI-Voyage 200 manufactured in June 2004
  • Achievements:
    • Total earned: 8 achievements


Model Factory Datecode HW Rev. Serial number Software version(s) Physical condition Extras Acquisition date Pic Comment
D 9CJ02002X2 2.1.14596 New in box 2021-09-01
I 0604 E 1284007956 New in box Manual(s), CD(s) 2023-11-01
New 2022-03-01
P007861 5Q10531A Fair 2021-10-01
777AW09QA424320 New in box 2022-12-01
837AC118A062998 New 2021-09-01
Fair Manual(s) 1990-01-01 It is my first calculator, I bought it for my university courses
See https://hackaday.io/project/187213-galdeano-handheld-computer
See https://hackaday.io/project/187213-galdeano-handheld-computer