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isobarycenter
midpoint
orthocenter
point
point2d
trace
Line
DrawSlp
LineTan
Geometry
inter(Curve,Curve,[Pnt])
isobarycenter(A,B,C,...) draws the isobarycenter of the n
points A,B,C,...
midpoint(A,B) draws the midpoint of the segment AB
midpoint((Pnt or Cplx),(Pnt or Cplx))
Shows the orthocenter of a triangle or of the triangle made
with 3 points.
orthocenter((Pnt or Cplx),(Pnt or Cplx),(Pnt
or Cplx))
A:=point(za) (resp A:=point([a,b,c])) draws a point of affix za
(resp of coordinates (a,b,c)) with the legend A
point(Cplx(za)||Vect)
Defines at random, the coordinates (between -5 and +5) of
the 2-d points given as argument.
point2d(SeqVar(A,B,C...))
Turns on tracing of the specified point.
Draws a line with slope m, going through the point (a, b).
DrawSlp(Real(a),Real(b),Real(m))
Draws the tangent to y=f(x) at x=a.
LineTan(Expr(f(x)),[Var],Expr(a))
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