Hp Prime Graphing Wireless Calculator Uživatelský manuál stáhnout pdf (Strana 61)

100

101

Geometry 57

if GA is the point at (0, 0) and GB is defined as

plotfunc(4–x^2/4), then distance (GA, GB) returns 3.464…

or 2√3.

Radius

Returns the radius of a circle.

radius(circle)

Example:

If GA is the point at (0, 0), GB is the point at (1, 0), and GC

is defined as circle(GA, GB-GA), then radius(GC) returns 1.

Perimeter

Returns the perimeter of a polygon or the circumference of a

circle.

perimeter(polygon) or perimeter(circle)

Examples:

If GA is the point at (0, 0), GB is the point at (1, 0), and GC

is defined as circle(GA, GB-GA), then perimeter(GC)

returns 2π.

If GA is the point at (0, 0), GB is the point at (1, 0), and GC

is defined as square(GA, GB-GA), then perimeter(GC)

returns 4.

Slope

Returns the slope of a straight object (segment, ray, or line).

slope(Object)

Example:

slope(line(point(1, 1), point(2, 2))) returns 1.

Area

Returns the area of a circle or polygon.

area(circle) or area(polygon)

This command can also return the area under a curve

between two points.

area(expr, value1, value2)

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 333 334

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Hp Prime Graphing Wireless Calculator Uživatelský manuál Strana 61

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