> > Are there any visualisation features or is the output in text format, too? > Sounds like your solver competes with Maxima and other math programs
Ok, I didn't look at the prog before asking. I booted Windows and tried it. >> Perhaps the prettiest of them is Superficies_En, wich is an English version. I think the Superficies version 2 is newer and preferred for porting. The 3-D images are rotated nicely without OpenGL support. Good. I tried to convert it but there are 3rd party components which are not ported to Lazarus. Also, there are references to TBitmap.ScanLine which is not portable. The Superficies v.1 seems to have much more of them, so the code has become more portable. What are the 64-bit problems you faced? Regards, Juha Manninen
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