Quick facts:

• Count: 15 graphing calculators (12 distinct models), 1 of which is a prototype
• Total weight: ≈ 4 kg / 8.8 lbs.
• By series: 14x TI (7x Z80, 3x eZ80, 2x 68k, 1x Other, 1x Nspire), 1x Casio
• Oldest calculator: a TI-82 manufactured in May 1993
• Newest calculator: a TI-83 Premium CE Edition Python manufactured in June 2019
• Achievements: View achievements
  • Total earned: 9 achievements