
Ellipse
Tap at one focus point and press . Tap at the second focus point and press . Tap at a
point on the circumference and press
.
Hyperbola
Tap at one focus point and press . Tap at the second focus point and press . Tap at a
point on one branch of the hyperbola and press
.
Parabola
Tap at the focus point and press . Tap either on a line (the directrix) or a ray or segment and
press
.
Conic
Plots the graph of a conic section dened by an expression in x and y.
conic(expr)
Example:
conic(x^2+y^2-81) draws a circle with center at (0,0) and radius of 9
Plot view: Cmds menu 177
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