TI-84 Plus

Raised as a usability problem by 5 people on Hacker News over 13 years (2014–2026), in 5 threads.

People raised many different problems with TI-84 Plus, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 4 complaints

On button on mobile is hard to press; user repeatedly taps it expecting physical device behavior2025-01-06
Bad display, complicated menus and fiddly input for longer calculations2023-08-03
Graphing takes seconds and cursor movement through history feels sluggish2023-04-27
UI is very slow to draw, so screens lag behind keystrokes2014-09-02