Timing
✨
Preservationist
Own a discontinued calculator/accessory in new-in-box condition
Similarity
🔂
Monodigit
Own a calculator or accessory with a serial with 4+ of the same non-0 digit in a row
Quantity
🥉
Passionate
Own at least 10 calculators
2️⃣
Diversifier
Own at least 2 brands of calculators
✌️
Twice as many as most people!
Own at least 2 calculators... it's a start!
Localization
🇪🇺
Guten Tag!
Own a Europe-specific calculator (CE-T and Nspire CX II-T…)