Canvas width (px)
Canvas height (px)
Rows (0…N, inclusive)
Number font size (% of recommended)
Line width (circles, px)
Connection line width (px)
Coloured connections (left #c00, right #080)
Row indices on left & right
Formulas
No
Brackets
C
Formula position
Right of circle
Above circle
Below circle
Left of circle
% from recommended
Formula colour