Notebook
RL (m) + ST (m) = INS (m). Each sum: ST @ IL (m) = INS − IL.
Rows follow the top INS until you start a row, then they keep their own INS snapshot.
Data saves on device. Add to Home Screen for quick use.
Grades
True Run (centre ➜ start of pits)
Tip: Enter each grade’s own RUN below — they don’t auto-fill.