Timing
⏲️
Early adopter
Add (or have acquired) a calculator/accessory the same month it was released
Similarity
🔢
Cool serial, bro
Own a calculator or accessory with a low (<100) ID part in the serial number
Quantity
✌️
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…)
Knowledge
📄
HW Revs GSheet contributor
Have contributed to the main hardware revs Google spreadsheet