# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content

:geometry, analytic geometry, algebraic geometry
implicit, parametric, implicit curve, parametric curve, space curve,
implicit space curve, parametric space curve, curve, equation,
implicit equation, parametric equation

:precision, 12
operation, parametric to implicit curve 3D
size, 600x360

:, Find the implicit equation

:
 $submit1
 of a space parametric curve:
 <br>
 x = f(t) = <input type="text" size="15" name="formula" value="$var_1">
 <br>
 y = g(t) = <input type="text" size="10" name="formula" value="$var_2">
 <br>
 z = h(t) = <input type="text" size="10" name="formula" value="$var_3">

:t^3-2t+1, t^3-1, t^3+t
t^2+t, t^2-2t, t^3-t, t^3+t^2
t^2+1, t^2-1, t^2+t+1, t+1, t-1
