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[stfark1]

Have 3 coordinates on the circumference of a circle, 3d(x,y,z), want to find the center. Is there a math function in F99 to do? Please advise. Sid Kraft

[PaulLaidler]

Perhaps you mean 3 points on the surface of a sphere.

Here is a link from Google

https://math.stackexchange.com/questions/4557464/how-would-i-go-about-calculating-the-center-of-a-sphere-based-on-points-from-it#:~:text=Given%20three%20distinct%20points%2C%20find,the%20centre%20of%20the%20sphere.