I have a mechanical 2D drawing that is specified by certain geometrical constrains and would like to solve it for certain variables (like angles and distances). The end result would be a closed-form expression.

E.g. for a rectangular triangle with opposite side a and adjacent side b, the closed form for the hypotenuse equation would be c=sqrt(a^2+b^2).

I'm looking for a free tool that could automate this (I suspect Geometry Expressions is a commercial tool that can do this). I also would suspect, that solvespace could do this, since it uses a symbolic algebra system, but I couldn't access any equations.

It would be nice to have a gui (but not necessary). A generic symbolic equation system solver on its own would be too uncomfortable. I would prefer if such a tool would run under Windows or Linux.

  • Does the OS matter? Does it need a GUI, or would a command-line tool suffice? Any preferences on "how to enter data", and "what format the output should be"?
    – Izzy
    Jul 9, 2015 at 14:20


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