3dlib.zip          6095 **+   3d Lib by deks : Simple vector and matrix
                              | functions. Useless unless you know what they
                              | do, and easier to make than use if you do know.
                              | Correct code (and math) at the very least.
                              | C/C++
azr_bcrv.zip      96843 ***   Bezier and Spline by plash of Azure : Examples of
                              | Bezier patches and B-spline curves. Read a
                              | reference on bezier or spline modelling first.
                              | The math is not easy nor is it explained by the
                              | author.  Good reference if you are having
                              | troubles getting your own routines to work.
                              | C/C++
spline_3.zip       9852 ***+  Spline Interpolation v1.3 by Adept of Esteem :
                              | Contains source to interpolate the spline data
                              | found in .3ds files. C/C++
sqrt.zip           1569 **+   Flat Square Root by Noble Roman : Only explains
                              | how to do it, not why it works, so it is not
                              | great for people with hardly any math
                              | knowledge. Text