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Thanks for the reply Gerry, the g code that I generate looks like
G0 X -35.355 Y -35.355
M3 M8
G0 Z 0.000
G1 Z 0.000
F400
G2 X 35.355 Y 35.355 I 35.355 J 35.355
G2 X -35.355 Y...

HI all,
I'm trying to understand the maths behind G codes in general and G02 & G03 in particular. G01 are quite forward where the X and Y numbers are simply converted to steps in a stepper motor....