HP Prime Graphing NW280AAABA manual Numeric view Cmds menu, Measure

distanceatraw

Works the same as distanceat, but without the label.

perimeterat

Used in Symbolic view. Displays the perimeter of a polygon or circle. The measure is displayed, with a label, at the given point in Plot view.

perimeterat(polygon, point) or perimeterat(circle, point)

Example:

perimeterat(circle(x^2+y^2=1), point(-4,4))

displays “pcircle(x^2+y^2=1)= 2*π” at point (-4, 4)

perimeteratraw

Works the same as perimeterat, but without the label.

slopeat

Used in Symbolic view. Displays the slope of a straight object (segment, line, etc.). The measure is displayed, with a label, at the given point in Plot view.

slopeat(object, point)

Example:

slopeat(line(point(0,0), point(2,3)), point(-8,8)) displays “sline(point(0,0), point(2,3))=3/2” at point (–8, 8)

slopeatraw

Works the same as slopeat, but without the label.

Numeric view: Cmds menu

Measure

abscissa

Returns the x coordinate of a point or the x length of a vector.

abscissa(point) or abscissa(vector)

Example:

abscissa(GA) returns the x-coordinate of the point A.

182 Geometry