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tr1p1ea

Patrick Prendergast — Australia
 •  4-year club

Collection Calculators Accessories

Quick facts:

  • Count: 67 graphing calculators (15 distinct models) View collection picture
  • Total weight: ≈ 17 kg / 37 lbs.
  • By series: 67x TI (57x Z80, 4x eZ80, 2x Nspire, 2x Other, 2x 68k)
  • Oldest calculator: a TI-81 manufactured in June 1990
  • Newest calculator: a TI-84 Plus CE manufactured in July 2017
  • Achievements:
    • Total earned: 9 achievements