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E-J

Erkki-Juhani Lämsä — Finland
 •  2-year club

Collection Calculators Accessories

Quick facts:

  • Count: 5 graphing calculators (5 distinct models)
  • Total weight: ≈ 1.1 kg / 2.4 lbs.
  • By series: 4x TI (2x Z80, 2x eZ80), 1x Casio
  • Oldest calculator: a TI-86 manufactured in February 1998
  • Newest calculator: a TI-84 Plus CE-T Python Edition manufactured in February 2023
  • Achievements:
    • Total earned: 5 achievements