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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