Quick facts:

• Count: 9 graphing calculators (8 distinct models), 3 of which are prototypes (3 distinct models)
• Total weight: ≈ 2.6 kg / 5.7 lbs.
• By series: 9x TI (5x Nspire, 4x Z80)
• Oldest calculator: a TI-83 Plus manufactured in April 2007
• Newest calculator: a TI-Nspire CX CAS manufactured in April 2011
• Achievements: View achievements
  • Total earned: 10 achievements (2 feats of strength and 1 secret achievement)