HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 236)

100

101

Tests

Collinear

Tap a point and press to select it. Repeat to select three points. The test appears at the top of

the display, along with its result. The test returns 1 if the points are collinear; otherwise, it returns 0.

On circle

Tap a point and press to select it. Repeat to select four points. The test appears at the top of the

display, along with its result. The test returns 1 if the points are on the same circle; otherwise, it returns 0.

On object

Tap a point and press to select it. Then tap an object and press . The test appears

at the top of the display, along with its result. The test returns a number (1 to n number of sides) representing

the segment that contains the point if the point is on the object; otherwise, it returns 0.

Parallel

Tap a straight object (segment, line, and so on) and press to select it. Then tap another straight

object and press . The test appears at the top of the display, along with its result. The test

returns 1 if the objects are parallel; otherwise, it returns 0.

Perpendicular

Tap a straight object (segment, line, and so on) and press to select it. Then tap another straight

object and press

. The test appears at the top of the display, along with its result. The test

returns 1 if the objects are perpendicular; otherwise, it returns 0.

Isosceles

Tap a triangle and press to select it. Or select three points in order. Returns 0 if the triangle is

not isosceles or if the three points do not form an isosceles triangle. If the triangle is isosceles (or the three

points form an isosceles triangle), 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 or if the selected triangle is

equilateral.

Equilateral

Tap a triangle and press to select it. Or select three points in order. Returns 1 if the triangle is

equilateral or if the three points form an equilateral triangle; otherwise, it returns 0.

188 Chapter 9 Geometry

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