Hp Prime Graphing Wireless Calculator Manual do Utilizador descarregar pdf (Página 63)

100

101

Geometry 59

On circle

Takes a set of points as argument and tests if they are all on

the same circle. Returns 1 if the points are all on the same

circle and 0 otherwise.

is_concyclic(point1, point2, …, pointn)

Example:

is_concyclic(point(-4,-2), point(-4,2),

point(4,-2), point(4,2)) returns 1

On object

Tests if a point is on a geometric object. Returns 1 if it is and

0 otherwise

is_element(point, object)

Example:

is_element(point , circle(0,1)) returns 1.

Parallel

Tests whether or not two lines are parallel. Returns 1 if they

are and 0 otherwise.

is_parallel(line1, line2)

Example:

is_parallel(line(2x+3y=7),line(2x+3y=9)

returns 1.

Perpendicular

Similar to is_orthogonal. Tests whether or not two lines are

perpendicular.

is_perpendicular(line1, line2)

Isosceles

Takes three points and tests whether or not they are vertices of

a single isosceles triangle. Returns 0 if they are not. If they are,

returns the number order of the common point of the two sides

of equal length (1, 2, or 3). Returns 4 if the three points form

an equilateral triangle.

is_isosceles(point1, point2, point3)

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