AIRFOILE
?Guess the NACA 4-digit airfoil in 4 tries.
MPXX — M: max camber (% chord) · P: camber position (tenths of chord) · XX: thickness (% chord). Symmetric sections are 00XX.
■ right digit · bold border: off by one · ↑↓ go higher / lower. Your last guess is drawn dashed.