Guides
Do I Need to Know Trigonometry to Learn CNC Programming?
Mostly no: everyday programming is arithmetic, and trig appears only for angles, where one function (arctangent) and a calculator handle nearly all of it.
Lawrence Arya··4 min
Guides
How to Find X and Y Coordinates for a Bolt Hole Circle in G-Code
A bolt hole circle is sine and cosine around a center: X = center + radius times cosine of the angle, Y = center + radius times sine. The formula and a worked set.
Lawrence Arya··4 min